+ "github.com/ava-labs/coreth/core/rawdb"

+ "github.com/ava-labs/coreth/core/state"

+ "github.com/ava-labs/coreth/core/types"

+ "github.com/ava-labs/coreth/accounts"

+ "github.com/ava-labs/coreth/core/rawdb"

+ "github.com/ava-labs/coreth/core/state"

+ "github.com/ava-labs/coreth/core/types"

+ "github.com/ava-labs/coreth/core/vm"

+ "github.com/ava-labs/coreth/params"

+ //b.eth.protocolManager.downloader.Cancel()

+func (b *EthAPIBackend) GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, header *types.Header) (*vm.EVM, func() error, error) {

+ "github.com/ava-labs/coreth/core"

+ "github.com/ava-labs/coreth/core/rawdb"

+ "github.com/ava-labs/coreth/core/state"

+ "github.com/ava-labs/coreth/core/types"

+ "github.com/ava-labs/coreth/core/vm"

+ "github.com/ava-labs/coreth/eth/tracers"

+ "github.com/ava-labs/coreth/rpc"

+func (api *PrivateDebugAPI) TraceChain(ctx context.Context, start, end rpc.BlockNumber, config *TraceConfig) (*rpc.Subscription, error) {

+ case rpc.PendingBlockNumber:

+ case rpc.LatestBlockNumber:

+ case rpc.AcceptedBlockNumber:

+ case rpc.PendingBlockNumber:

+ case rpc.LatestBlockNumber:

+ case rpc.AcceptedBlockNumber:

+func (api *PrivateDebugAPI) TraceBlockByNumber(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]*txTraceResult, error) {

+ case rpc.PendingBlockNumber:

+ case rpc.LatestBlockNumber:

+ case rpc.AcceptedBlockNumber:

+ //"sync/atomic"

+ "github.com/ava-labs/coreth/accounts"

+ "github.com/ava-labs/coreth/accounts/abi/bind"

+ "github.com/ava-labs/coreth/consensus"

+ "github.com/ava-labs/coreth/consensus/clique"

+ "github.com/ava-labs/coreth/consensus/ethash"

+ "github.com/ava-labs/coreth/core/rawdb"

+ "github.com/ava-labs/coreth/core/types"

+ "github.com/ava-labs/coreth/core/vm"

+ "github.com/ava-labs/coreth/params"

+ "github.com/ava-labs/coreth/rpc"

+ txPool *core.TxPool

+ blockchain *core.BlockChain

+ //protocolManager *ProtocolManager

+ lesServer LesServer

+ if uint64(len(extra)) > params.MaximumExtraDataSize {

+ log.Warn("Miner extra data exceed limit", "extra", hexutil.Bytes(extra), "limit", params.MaximumExtraDataSize)

+func (s *Ethereum) Downloader() *downloader.Downloader { return nil } // s.protocolManager.downloader }

+func (s *Ethereum) Synced() bool { return true } // atomic.LoadUint32(&s.protocolManager.acceptTxs) == 1 }

+ "github.com/ava-labs/coreth/core/bloombits"

+ "github.com/ava-labs/coreth/core/rawdb"

+ "github.com/ava-labs/coreth/core/types"

+ "github.com/ava-labs/coreth/consensus/ethash"

+ "github.com/ava-labs/coreth/params"

+ "github.com/ava-labs/coreth/core/types"

+ "github.com/ava-labs/coreth/rpc"

+ "github.com/ava-labs/coreth/core/types"

+ "github.com/ava-labs/coreth/core/rawdb"

+ "github.com/ava-labs/coreth/core/types"

+ "github.com/ava-labs/coreth/rpc"

+ var from, to rpc.BlockNumber

+ from = rpc.LatestBlockNumber

+ from = rpc.BlockNumber(crit.FromBlock.Int64())

+ to = rpc.LatestBlockNumber

+ to = rpc.BlockNumber(crit.ToBlock.Int64())

+ if from == rpc.PendingBlockNumber && to == rpc.PendingBlockNumber {

+ if from == rpc.LatestBlockNumber && to == rpc.LatestBlockNumber {

+ if from >= rpc.LatestBlockNumber && to == rpc.PendingBlockNumber {

+ if from >= 0 && to == rpc.LatestBlockNumber {

+ "github.com/ava-labs/coreth/core/types"

+ "github.com/ava-labs/coreth/consensus/ethash"

+ "github.com/ava-labs/coreth/params"

+ OverrideIstanbul *big.Int

+ ManualCanonical bool

+ enc.OverrideIstanbul = c.OverrideIstanbul

+ enc.ManualCanonical = c.ManualCanonical

+ OverrideIstanbul *big.Int

+ ManualCanonical *bool

+ if dec.OverrideIstanbul != nil {

+ c.OverrideIstanbul = dec.OverrideIstanbul

+ }

+ if dec.ManualCanonical != nil {

+ c.ManualCanonical = *dec.ManualCanonical

+ }

+ "github.com/ava-labs/coreth/core/types"

+// Copyright 2017 The go-ethereum Authors

+// This file is part of the go-ethereum library.

+//

+// The go-ethereum library is free software: you can redistribute it and/or modify

+// it under the terms of the GNU Lesser General Public License as published by

+// the Free Software Foundation, either version 3 of the License, or

+// (at your option) any later version.

+//

+// The go-ethereum library is distributed in the hope that it will be useful,

+// but WITHOUT ANY WARRANTY; without even the implied warranty of

+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+// GNU Lesser General Public License for more details.

+//

+// You should have received a copy of the GNU Lesser General Public License

+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

+

+// 4byteTracer searches for 4byte-identifiers, and collects them for post-processing.

+// It collects the methods identifiers along with the size of the supplied data, so

+// a reversed signature can be matched against the size of the data.

+//

+// Example:

+// > debug.traceTransaction( "0x214e597e35da083692f5386141e69f47e973b2c56e7a8073b1ea08fd7571e9de", {tracer: "4byteTracer"})

+// {

+// 0x27dc297e-128: 1,

+// 0x38cc4831-0: 2,

+// 0x524f3889-96: 1,

+// 0xadf59f99-288: 1,

+// 0xc281d19e-0: 1

+// }

+{

+ // ids aggregates the 4byte ids found.

+ ids : {},

+

+ // callType returns 'false' for non-calls, or the peek-index for the first param

+ // after 'value', i.e. meminstart.

+ callType: function(opstr){

+ switch(opstr){

+ case "CALL": case "CALLCODE":

+ // gas, addr, val, memin, meminsz, memout, memoutsz

+ return 3; // stack ptr to memin

+

+ case "DELEGATECALL": case "STATICCALL":

+ // gas, addr, memin, meminsz, memout, memoutsz

+ return 2; // stack ptr to memin

+ }

+ return false;

+ },

+

+ // store save the given indentifier and datasize.

+ store: function(id, size){

+ var key = "" + toHex(id) + "-" + size;

+ this.ids[key] = this.ids[key] + 1 || 1;

+ },

+

+ // step is invoked for every opcode that the VM executes.

+ step: function(log, db) {

+ // Skip any opcodes that are not internal calls

+ var ct = this.callType(log.op.toString());

+ if (!ct) {

+ return;

+ }

+ // Skip any pre-compile invocations, those are just fancy opcodes

+ if (isPrecompiled(toAddress(log.stack.peek(1).toString(16)))) {

+ return;

+ }

+ // Gather internal call details

+ var inSz = log.stack.peek(ct + 1).valueOf();

+ if (inSz >= 4) {

+ var inOff = log.stack.peek(ct).valueOf();

+ this.store(log.memory.slice(inOff, inOff + 4), inSz-4);

+ }

+ },

+

+ // fault is invoked when the actual execution of an opcode fails.

+ fault: function(log, db) { },

+

+ // result is invoked when all the opcodes have been iterated over and returns

+ // the final result of the tracing.

+ result: function(ctx) {

+ // Save the outer calldata also

+ if (ctx.input.length >= 4) {

+ this.store(slice(ctx.input, 0, 4), ctx.input.length-4)

+ }

+ return this.ids;

+ },

+}

+// Code generated by go-bindata. DO NOT EDIT.

+// sources:

+// 4byte_tracer.js (2.933kB)

+// bigram_tracer.js (1.712kB)

+// call_tracer.js (8.643kB)

+// evmdis_tracer.js (4.195kB)

+// noop_tracer.js (1.271kB)

+// opcount_tracer.js (1.372kB)

+// prestate_tracer.js (4.234kB)

+// trigram_tracer.js (1.788kB)

+// unigram_tracer.js (1.51kB)

+

+package tracers

+

+import (

+ "bytes"

+ "compress/gzip"

+ "crypto/sha256"

+ "fmt"

+ "io"

+ "io/ioutil"

+ "os"

+ "path/filepath"

+ "strings"

+ "time"

+)

+

+func bindataRead(data []byte, name string) ([]byte, error) {

+ gz, err := gzip.NewReader(bytes.NewBuffer(data))

+ if err != nil {

+ return nil, fmt.Errorf("read %q: %w", name, err)

+ }

+

+ var buf bytes.Buffer

+ _, err = io.Copy(&buf, gz)

+ clErr := gz.Close()

+

+ if err != nil {

+ return nil, fmt.Errorf("read %q: %w", name, err)

+ }

+ if clErr != nil {

+ return nil, err

+ }

+

+ return buf.Bytes(), nil

+}

+

+type asset struct {

+ bytes []byte

+ info os.FileInfo

+ digest [sha256.Size]byte

+}

+

+type bindataFileInfo struct {

+ name string

+ size int64

+ mode os.FileMode

+ modTime time.Time

+}

+

+func (fi bindataFileInfo) Name() string {

+ return fi.name

+}

+func (fi bindataFileInfo) Size() int64 {

+ return fi.size

+}

+func (fi bindataFileInfo) Mode() os.FileMode {

+ return fi.mode

+}

+func (fi bindataFileInfo) ModTime() time.Time {

+ return fi.modTime

+}

+func (fi bindataFileInfo) IsDir() bool {

+ return false

+}

+func (fi bindataFileInfo) Sys() interface{} {

+ return nil

+}

+

+var __4byte_tracerJs = 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+

+func _4byte_tracerJsBytes() ([]byte, error) {

+ return bindataRead(

+ __4byte_tracerJs,

+ "4byte_tracer.js",

+ )

+}

+

+func _4byte_tracerJs() (*asset, error) {

+ bytes, err := _4byte_tracerJsBytes()

+ if err != nil {

+ return nil, err

+ }

+

+ info := bindataFileInfo{name: "4byte_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)}

+ a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xb4, 0xc5, 0x48, 0x2d, 0xd9, 0x43, 0x95, 0x93, 0x3b, 0x93, 0x2c, 0x47, 0x8c, 0x84, 0x32, 0x3c, 0x8b, 0x2e, 0xf3, 0x72, 0xc4, 0x57, 0xe6, 0x3a, 0xb3, 0xdf, 0x1d, 0xbf, 0x45, 0x3, 0xfc, 0xa}}

+ return a, nil

+}

+

+var _bigram_tracerJs = []byte("\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff\x8c\x54\x5b\x6f\xdb\x36\x14\x7e\xf7\xaf\xf8\xde\x92\x20\xae\xd4\x6e\x2f\x83\x33\x0f\xd0\xb2\xa4\x35\x90\xda\x81\xad\xac\x30\x86\x3d\x50\xd2\x91\x44\x84\x26\x05\xf2\xd0\xae\x50\xe4\xbf\x17\x94\x2c\x5f\x8a\x14\x8d\x9e\x64\xf3\xbb\x9d\x0b\x15\xc7\xb8\x35\x4d\x6b\x65\x55\x33\x7e\x7b\xff\xe1\x0f\xa4\x35\xa1\x32\xef\x88\x6b\xb2\xe4\x37\x48\x3c\xd7\xc6\xba\x51\x1c\x23\xad\xa5\x43\x29\x15\x41\x3a\x34\xc2\x32\x4c\x09\xfe\x01\xaf\x64\x66\x85\x6d\xa3\x51\x1c\xf7\x9c\x57\x8f\x83\x42\x69\x89\xe0\x4c\xc9\x3b\x61\x69\x82\xd6\x78\xe4\x42\xc3\x52\x21\x1d\x5b\x99\x79\x26\x48\x86\xd0\x45\x6c\x2c\x36\xa6\x90\x65\x1b\x24\x25\xc3\xeb\x82\x6c\x67\xcd\x64\x37\x6e\xc8\xf1\x71\xfe\x84\x07\x72\x8e\x2c\x3e\x92\x26\x2b\x14\x1e\x7d\xa6\x64\x8e\x07\x99\x93\x76\x04\xe1\xd0\x84\x7f\x5c\x4d\x05\xb2\x4e\x2e\x10\xef\x43\x94\xd5\x3e\x0a\xee\x8d\xd7\x85\x60\x69\xf4\x18\x24\x43\x72\x6c\xc9\x3a\x69\x34\x7e\x1f\xac\xf6\x82\x63\x18\x1b\x44\x2e\x05\x87\x02\x2c\x4c\x13\x78\x57\x10\xba\x85\x12\x7c\xa4\xbe\xa1\x21\xc7\xba\x0b\x48\xdd\xd9\xd4\xa6\x21\x70\x2d\x38\x54\xbd\x93\x4a\x21\x23\x78\x47\xa5\x57\xe3\xa0\x96\x79\xc6\x97\x59\xfa\x69\xf1\x94\x22\x99\xaf\xf1\x25\x59\x2e\x93\x79\xba\xbe\xc1\x4e\x72\x6d\x3c\x83\xb6\xd4\x4b\xc9\x4d\xa3\x24\x15\xd8\x09\x6b\x85\xe6\x16\xa6\x0c\x0a\x9f\xef\x96\xb7\x9f\x92\x79\x9a\xfc\x3d\x7b\x98\xa5\x6b\x18\x8b\xfb\x59\x3a\xbf\x5b\xad\x70\xbf\x58\x22\xc1\x63\xb2\x4c\x67\xb7\x4f\x0f\xc9\x12\x8f\x4f\xcb\xc7\xc5\xea\x2e\xc2\x8a\x42\x2a\x0a\xfc\x5f\xf7\xbc\xec\xa6\x67\x09\x05\xb1\x90\xca\x0d\x9d\x58\x1b\x0f\x57\x1b\xaf\x0a\xd4\x62\x4b\xb0\x94\x93\xdc\x52\x01\x81\xdc\x34\xed\x9b\x87\x1a\xb4\x84\x32\xba\xea\x6a\xfe\xe9\x42\x62\x56\x42\x1b\x1e\xc3\x11\xe1\xcf\x9a\xb9\x99\xc4\xf1\x6e\xb7\x8b\x2a\xed\x23\x63\xab\x58\xf5\x72\x2e\xfe\x2b\x1a\x8d\xbe\x8d\x00\x20\x8e\x51\x4b\xc7\x61\x38\x41\x36\x37\x5e\x33\xd9\x6e\xdf\x4c\x93\x9b\x82\x90\xc9\xca\x8a\x8d\xeb\xd0\x01\x3a\xc1\xb7\x97\xf1\xc0\x55\xc2\xf1\xa2\x09\xec\xf0\x06\xd3\x90\xed\xd6\xaa\x3b\xef\x0f\x27\xb8\xb8\x38\xe0\xe9\x2b\xe5\x3e\x00\x50\x50\xc3\x75\xb0\xd9\x13\x0f\x8c\x7f\xc2\xc1\x04\xef\x0f\x1c\xc7\xd4\x39\x48\xbd\x35\xcf\x54\x74\xdd\xa6\x2d\xd9\x76\x48\xd8\x6d\x4f\x48\xff\xef\xe7\xbd\x01\xb9\xa8\x63\x07\xea\x04\xa5\xd7\x79\xf0\xbc\x54\xa6\x1a\xa3\xc8\xae\xd0\xd7\x1e\x9e\xad\x08\x1b\x8d\x29\x94\xa9\x22\xd3\x44\x6c\x56\x6c\xa5\xae\x2e\xaf\x6e\xce\x30\x7d\xdc\x1e\x56\x51\x1f\xf2\x14\x23\x4b\x5c\xee\x31\x53\x70\x2d\x5d\x74\xa8\xe5\xea\xe8\x36\xa8\x3d\x53\x8b\x13\xd8\xa2\xb9\xbe\x78\x77\x71\x6d\x9a\x9b\x33\x64\xd0\xec\x30\xa1\xed\xff\x3d\x53\xfb\xff\x0f\x52\xe1\x39\x07\x5c\x5f\x9f\x4b\xbc\x9c\xfd\x22\xe5\x08\xbf\x92\xc0\x14\x1f\x7e\x26\x72\x7c\x3b\xc9\x8e\x29\x4e\x93\x9f\x17\x8f\x69\xdf\xba\xfe\xfc\xb8\x38\xa5\xf0\x8a\x4f\xa7\xba\xab\xf7\xb7\x58\xe4\xec\x85\x3a\xd9\x14\x53\x42\xe8\x61\xd6\x65\x7f\xbf\x82\x4a\x27\xf1\xea\x74\x8f\x36\x96\xdc\x6b\x3e\x42\xa9\xce\xab\x17\x75\xfd\xed\xcc\x88\x34\x24\x87\x0d\xa6\x02\x66\x4b\x36\x7c\x99\x61\x89\xbd\xd5\x6e\x50\x0c\xb4\x52\x6a\xa1\x06\xed\xfd\x25\x66\x2b\x72\xa9\xab\x3e\x5a\x7f\x74\x92\x2d\xe7\xaf\xa7\x5b\xd7\x6b\x1e\x1b\x7f\xe8\xce\xcb\xe8\x7b\x00\x00\x00\xff\xff\x83\xb5\xcb\x27\xb0\x06\x00\x00")

+

+func bigram_tracerJsBytes() ([]byte, error) {

+ return bindataRead(

+ _bigram_tracerJs,

+ "bigram_tracer.js",

+ )

+}

+

+func bigram_tracerJs() (*asset, error) {

+ bytes, err := bigram_tracerJsBytes()

+ if err != nil {

+ return nil, err

+ }

+

+ info := bindataFileInfo{name: "bigram_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)}

+ a := &asset{bytes: bytes, info: info, digest: [32]uint8{0x77, 0x6c, 0xd, 0x24, 0xf2, 0x49, 0xbd, 0x58, 0x8b, 0xb5, 0xd1, 0xc9, 0xcd, 0xcf, 0x5b, 0x3e, 0x5c, 0xfb, 0x14, 0x50, 0xe7, 0xe3, 0xb9, 0xd1, 0x54, 0x69, 0xe6, 0x5e, 0x45, 0xa6, 0x2c, 0x6c}}

+ return a, nil

+}

+

+var _call_tracerJs = 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+

+func call_tracerJsBytes() ([]byte, error) {

+ return bindataRead(

+ _call_tracerJs,

+ "call_tracer.js",

+ )

+}

+

+func call_tracerJs() (*asset, error) {

+ bytes, err := call_tracerJsBytes()

+ if err != nil {

+ return nil, err

+ }

+

+ info := bindataFileInfo{name: "call_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)}

+ a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xe9, 0xef, 0x68, 0xda, 0xd8, 0x9, 0xf5, 0xd5, 0x71, 0xa8, 0x8a, 0xfb, 0x30, 0xe8, 0xf0, 0x72, 0x14, 0x36, 0x6b, 0x62, 0x5a, 0x4e, 0xff, 0x16, 0xdc, 0xd3, 0x2c, 0x68, 0x7b, 0x79, 0x9f, 0xd3}}

+ return a, nil

+}

+

+var _evmdis_tracerJs = 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+

+func evmdis_tracerJsBytes() ([]byte, error) {

+ return bindataRead(

+ _evmdis_tracerJs,

+ "evmdis_tracer.js",

+ )

+}

+

+func evmdis_tracerJs() (*asset, error) {

+ bytes, err := evmdis_tracerJsBytes()

+ if err != nil {

+ return nil, err

+ }

+

+ info := bindataFileInfo{name: "evmdis_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)}

+ a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xb5, 0xc8, 0x73, 0x8e, 0xfb, 0x1f, 0x84, 0x7d, 0x37, 0xd9, 0x26, 0x24, 0x37, 0xb8, 0x65, 0xb1, 0xed, 0xa0, 0x76, 0x9a, 0xf0, 0x8e, 0x3a, 0x9b, 0x20, 0x93, 0x27, 0x26, 0x2e, 0xc9, 0x9b, 0xde}}

+ return a, nil

+}

+

+var _noop_tracerJs = []byte("\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff\x8c\x93\x4f\x6f\xdb\x46\x10\xc5\xcf\xe6\xa7\x78\xc7\x04\x50\xc5\xfe\x39\x14\x70\x8a\x02\xac\x61\x27\x2a\x1c\xdb\x90\xe8\x06\x3e\x0e\xc9\xa1\xb8\xe9\x6a\x87\x9d\x9d\x95\x22\x18\xfe\xee\xc5\x92\x12\x12\x14\x69\x9b\x9b\xb0\xd2\xfb\xbd\x37\xf3\x46\x65\x89\x2b\x19\x8f\xea\xb6\x83\xe1\xc7\xef\x7f\xf8\x19\xf5\xc0\xd8\xca\x77\x6c\x03\x2b\xa7\x1d\xaa\x64\x83\x68\x2c\xca\x12\xf5\xe0\x22\x7a\xe7\x19\x2e\x62\x24\x35\x48\x0f\xfb\xc7\xef\xbd\x6b\x94\xf4\xb8\x2c\xca\x72\xd6\x7c\xf5\xeb\x4c\xe8\x95\x19\x51\x7a\x3b\x90\xf2\x25\x8e\x92\xd0\x52\x80\x72\xe7\xa2\xa9\x6b\x92\x31\x9c\x81\x42\x57\x8a\x62\x27\x9d\xeb\x8f\x19\xe9\x0c\x29\x74\xac\x93\xb5\xb1\xee\xe2\x39\xc7\xdb\xbb\x47\xdc\x72\x8c\xac\x78\xcb\x81\x95\x3c\x1e\x52\xe3\x5d\x8b\x5b\xd7\x72\x88\x0c\x8a\x18\xf3\x4b\x1c\xb8\x43\x33\xe1\xb2\xf0\x26\x47\xd9\x9c\xa2\xe0\x46\x52\xe8\xc8\x9c\x84\x05\xd8\xe5\xe4\xd8\xb3\x46\x27\x01\x3f\x9d\xad\x4e\xc0\x05\x44\x33\xe4\x15\x59\x1e\x40\x21\x63\xd6\xbd\x06\x85\x23\x3c\xd9\x67\xe9\x37\x2c\xe4\xf3\xdc\x1d\x5c\x98\x6c\x06\x19\x19\x36\x90\xe5\xa9\x0f\xce\x7b\x34\x8c\x14\xb9\x4f\x7e\x91\x69\x4d\x32\x7c\x58\xd5\xef\xee\x1f\x6b\x54\x77\x4f\xf8\x50\xad\xd7\xd5\x5d\xfd\xf4\x06\x07\x67\x83\x24\x03\xef\x79\x46\xb9\xdd\xe8\x1d\x77\x38\x90\x2a\x05\x3b\x42\xfa\x4c\x78\x7f\xbd\xbe\x7a\x57\xdd\xd5\xd5\x6f\xab\xdb\x55\xfd\x04\x51\xdc\xac\xea\xbb\xeb\xcd\x06\x37\xf7\x6b\x54\x78\xa8\xd6\xf5\xea\xea\xf1\xb6\x5a\xe3\xe1\x71\xfd\x70\xbf\xb9\x5e\x62\xc3\x39\x15\x67\xfd\xff\xef\xbc\x9f\xda\x53\x46\xc7\x46\xce\xc7\xf3\x26\x9e\x24\x21\x0e\x92\x7c\x87\x81\xf6\x0c\xe5\x96\xdd\x9e\x3b\x10\x5a\x19\x8f\xdf\x5c\x6a\x66\x91\x97\xb0\x9d\x66\xfe\xd7\x83\xc4\xaa\x47\x10\x5b\x20\x32\xe3\x97\xc1\x6c\xbc\x2c\xcb\xc3\xe1\xb0\xdc\x86\xb4\x14\xdd\x96\x7e\xc6\xc5\xf2\xd7\x65\x91\x99\x41\x64\xac\x95\x5a\xd6\x5c\xce\xc7\x14\x6d\x62\x37\xa4\xdc\x48\x60\x34\xe2\x3c\xeb\x98\x5b\x46\x2b\x5d\x1e\xe0\xaf\xe4\x94\x3b\xf4\x2a\x3b\x10\x7e\xa7\x3d\x6d\x5a\x75\xa3\x65\x9c\x34\x1f\xb9\x35\x98\xcc\x15\x52\xe3\xa7\x73\x24\x98\x52\x88\xd4\xe6\xbb\xc9\x9f\x5b\xd6\x65\xf1\x5c\x5c\x94\x25\xa2\xf1\x98\xbd\x5d\xd8\xcb\x9f\x99\x2b\x9a\xfb\xd4\x23\x64\x9c\x1c\xa7\xcb\xc8\xa1\xfe\x78\x0f\xfe\xc4\x6d\x32\x8e\xcb\xe2\x22\xeb\x2e\xd1\xa7\x30\x41\x5f\x79\xd9\x2e\xd0\x35\xaf\xf1\x8c\x97\x45\x31\x91\x7b\x4a\xde\xbe\x44\x1f\x86\xd3\x99\x50\x6b\x89\xfc\x89\x96\x23\x49\x0f\x0a\x67\xc3\x7e\x2e\xf0\x62\xd2\xff\xb7\x85\x72\xfc\x9a\x07\x79\x3f\xf9\xcc\xc0\x38\x57\xdf\x30\x07\x38\x63\xa5\x7c\xfb\xb2\x67\xcd\x7f\x7b\x28\x5b\xd2\x10\x27\x5c\xd6\xf4\x2e\x90\x3f\x83\x4f\xe7\x91\x37\xe6\xc2\x76\x59\x5c\xcc\xef\x5f\x84\x6a\xed\xd3\x39\xd4\x4c\xc2\xf3\xcb\x1b\xbc\x14\x2f\xc5\xdf\x01\x00\x00\xff\xff\x77\x56\xe7\x1a\xf7\x04\x00\x00")

+

+func noop_tracerJsBytes() ([]byte, error) {

+ return bindataRead(

+ _noop_tracerJs,

+ "noop_tracer.js",

+ )

+}

+

+func noop_tracerJs() (*asset, error) {

+ bytes, err := noop_tracerJsBytes()

+ if err != nil {

+ return nil, err

+ }

+

+ info := bindataFileInfo{name: "noop_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)}

+ a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xe3, 0xf, 0x1c, 0x6f, 0x65, 0xaf, 0x90, 0x31, 0xab, 0xf, 0xe0, 0xca, 0x54, 0x7, 0xfd, 0xd3, 0xa1, 0x4a, 0x14, 0x1, 0x2a, 0x9d, 0xdc, 0xb9, 0x64, 0x69, 0x83, 0x30, 0xb1, 0x2a, 0xbd, 0xfb}}

+ return a, nil

+}

+

+var _opcount_tracerJs = []byte("\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff\x8c\x94\xcf\x6e\xdb\x46\x10\x87\xcf\xe2\x53\xfc\x8e\x09\xa2\x92\x69\x7b\x28\xe0\x16\x05\x58\xc3\x4e\x04\xd8\xb2\x21\xd1\x09\x7c\x5c\x92\x43\x71\x9b\xd5\x2e\x31\x3b\x2b\x86\x08\xfc\xee\xc5\x2e\xc5\xc6\x08\x5c\xd4\xd7\xd5\xcc\xf7\xcd\x3f\xb1\x28\x70\xe9\x86\x89\xf5\xa1\x17\xfc\xf2\xfe\xe7\xdf\x50\xf5\x84\x83\xfb\x89\xa4\x27\xa6\x70\x44\x19\xa4\x77\xec\xb3\xa2\x40\xd5\x6b\x8f\x4e\x1b\x82\xf6\x18\x14\x0b\x5c\x07\xf9\x21\xde\xe8\x9a\x15\x4f\x79\x56\x14\x73\xce\x8b\x3f\x47\x42\xc7\x44\xf0\xae\x93\x51\x31\x5d\x60\x72\x01\x8d\xb2\x60\x6a\xb5\x17\xd6\x75\x10\x82\x16\x28\xdb\x16\x8e\x71\x74\xad\xee\xa6\x88\xd4\x82\x60\x5b\xe2\xa4\x16\xe2\xa3\x5f\xea\xf8\xb0\x7d\xc0\x0d\x79\x4f\x8c\x0f\x64\x89\x95\xc1\x7d\xa8\x8d\x6e\x70\xa3\x1b\xb2\x9e\xa0\x3c\x86\xf8\xe2\x7b\x6a\x51\x27\x5c\x4c\xbc\x8e\xa5\xec\xcf\xa5\xe0\xda\x05\xdb\x2a\xd1\xce\xae\x41\x3a\x56\x8e\x13\xb1\xd7\xce\xe2\xd7\x45\x75\x06\xae\xe1\x38\x42\xde\x28\x89\x0d\x30\xdc\x10\xf3\xde\x42\xd9\x09\x46\xc9\xf7\xd4\x57\x0c\xe4\x7b\xdf\x2d\xb4\x4d\x9a\xde\x0d\x04\xe9\x95\xc4\xae\x47\x6d\x0c\x6a\x42\xf0\xd4\x05\xb3\x8e\xb4\x3a\x08\x3e\x6f\xaa\x8f\x77\x0f\x15\xca\xed\x23\x3e\x97\xbb\x5d\xb9\xad\x1e\x7f\xc7\xa8\xa5\x77\x41\x40\x27\x9a\x51\xfa\x38\x18\x4d\x2d\x46\xc5\xac\xac\x4c\x70\x5d\x24\xdc\x5e\xed\x2e\x3f\x96\xdb\xaa\xfc\x6b\x73\xb3\xa9\x1e\xe1\x18\xd7\x9b\x6a\x7b\xb5\xdf\xe3\xfa\x6e\x87\x12\xf7\xe5\xae\xda\x5c\x3e\xdc\x94\x3b\xdc\x3f\xec\xee\xef\xf6\x57\x39\xf6\x14\xab\xa2\x98\xff\xff\x33\xef\xd2\xf6\x98\xd0\x92\x28\x6d\xfc\x32\x89\x47\x17\xe0\x7b\x17\x4c\x8b\x5e\x9d\x08\x4c\x0d\xe9\x13\xb5\x50\x68\xdc\x30\xbd\x7a\xa9\x91\xa5\x8c\xb3\x87\xd4\xf3\x7f\x1e\x24\x36\x1d\xac\x93\x35\x3c\x11\xfe\xe8\x45\x86\x8b\xa2\x18\xc7\x31\x3f\xd8\x90\x3b\x3e\x14\x66\xc6\xf9\xe2\xcf\x3c\x8b\x4c\x37\x34\x2e\x58\xa9\x58\x35\xc4\x71\x3f\x0a\x5e\x1d\x07\x43\x90\xf9\x29\xed\xe5\xef\xe0\x05\x29\xd0\x27\xb5\x0d\xc7\x9a\x38\x16\xaf\xad\x17\x0e\x4d\xbc\x87\xf4\xf7\xa1\xaf\xd4\xa4\xdd\xd6\x53\x8a\xbc\xfa\x74\x8b\x9a\xba\x38\x99\x74\xc9\xac\xac\x57\x29\x3c\x5d\xb5\xb6\x4a\xa8\xcd\xb3\x6f\xd9\xaa\x28\x66\x43\x12\x7f\xf9\xd1\x13\x39\xcf\x5d\xff\x8a\xf2\x6c\x95\xd2\x2e\xf0\x7e\x9d\x25\x8a\x17\x1a\x62\x27\xda\x9e\xdc\x17\x6a\xd3\x6a\xe8\x44\x3c\xa5\x66\xdb\xf3\xa9\x45\xfc\xa7\xdb\x05\xe3\xf3\x6c\x15\xf3\x2e\xd0\x05\x9b\x0c\x6f\x8c\x3b\xac\xd1\xd6\x6f\xf1\x0d\xd2\x6b\x9f\x27\xcb\xbb\x77\x78\x3a\x6b\x3a\x15\x8c\x3c\xf7\x8c\xfd\xf9\x08\x55\x23\x41\x99\x33\x3a\x76\xea\x3a\x28\xbb\xd8\xbb\xf9\x3c\x56\x29\xff\x65\xdf\xa2\x60\xf2\x2f\x39\x94\x31\xc9\x33\x03\xfd\x7c\x58\x35\x91\x85\x16\xe2\x38\x50\xb8\x13\x71\xfc\xa8\x80\x49\x02\x5b\x9f\x70\x31\xa7\xd3\x56\x99\x05\x7c\x3e\xbe\x38\x70\x6d\x0f\x79\xb6\x9a\xdf\x9f\x15\xd5\xc8\xd7\xa5\xa8\x99\xf4\x6c\x16\x78\xca\x9e\xb2\x7f\x02\x00\x00\xff\xff\xdd\xd8\xa1\x0a\x5c\x05\x00\x00")

+

+func opcount_tracerJsBytes() ([]byte, error) {

+ return bindataRead(

+ _opcount_tracerJs,

+ "opcount_tracer.js",

+ )

+}

+

+func opcount_tracerJs() (*asset, error) {

+ bytes, err := opcount_tracerJsBytes()

+ if err != nil {

+ return nil, err

+ }

+

+ info := bindataFileInfo{name: "opcount_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)}

+ a := &asset{bytes: bytes, info: info, digest: [32]uint8{0x27, 0xe, 0x97, 0x88, 0x9b, 0x53, 0xbb, 0x20, 0x44, 0xd8, 0xf5, 0xeb, 0x41, 0xd2, 0x7e, 0xd6, 0xda, 0x6b, 0xf5, 0xaf, 0x0, 0x75, 0x9f, 0xd9, 0x22, 0xc, 0x6e, 0x74, 0xac, 0x2a, 0xa9, 0xa7}}

+ return a, nil

+}

+

+var _prestate_tracerJs = 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+

+func prestate_tracerJsBytes() ([]byte, error) {

+ return bindataRead(

+ _prestate_tracerJs,

+ "prestate_tracer.js",

+ )

+}

+

+func prestate_tracerJs() (*asset, error) {

+ bytes, err := prestate_tracerJsBytes()

+ if err != nil {

+ return nil, err

+ }

+

+ info := bindataFileInfo{name: "prestate_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)}

+ a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xe9, 0x79, 0x70, 0x4f, 0xc5, 0x78, 0x57, 0x63, 0x6f, 0x5, 0x31, 0xce, 0x3e, 0x5d, 0xbd, 0x71, 0x4, 0x46, 0x78, 0xcd, 0x1d, 0xcd, 0xb9, 0xd8, 0x10, 0xff, 0xe6, 0xc5, 0x59, 0xb9, 0x25, 0x6e}}

+ return a, nil

+}

+

+var _trigram_tracerJs = []byte("\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff\x8c\x94\x4f\x6f\xe3\x36\x10\xc5\xef\xfe\x14\xaf\x27\x27\x88\xd7\x4a\xda\x4b\xe1\xd4\x05\xdc\x6c\xb2\x6b\x20\x6b\x07\xb6\xd2\x45\x10\xe4\x40\x4b\x23\x89\x08\x4d\x0a\xe4\xd0\x5e\x21\xc8\x77\x2f\xa8\x3f\xfe\x13\xb8\xed\xfa\x64\x70\xe6\xfd\xe6\xcd\x70\xc4\x28\xc2\x8d\x29\x2b\x2b\xf3\x82\xf1\xeb\xe5\xd5\xef\x88\x0b\x42\x6e\x3e\x11\x17\x64\xc9\xaf\x31\xf1\x5c\x18\xeb\x7a\x51\x84\xb8\x90\x0e\x99\x54\x04\xe9\x50\x0a\xcb\x30\x19\xf8\x43\xbe\x92\x2b\x2b\x6c\x35\xec\x45\x51\xa3\x39\x19\x0e\x84\xcc\x12\xc1\x99\x8c\xb7\xc2\xd2\x08\x95\xf1\x48\x84\x86\xa5\x54\x3a\xb6\x72\xe5\x99\x20\x19\x42\xa7\x91\xb1\x58\x9b\x54\x66\x55\x40\x4a\x86\xd7\x29\xd9\xba\x34\x93\x5d\xbb\xce\xc7\x97\xd9\x23\xee\xc9\x39\xb2\xf8\x42\x9a\xac\x50\x78\xf0\x2b\x25\x13\xdc\xcb\x84\xb4\x23\x08\x87\x32\x9c\xb8\x82\x52\xac\x6a\x5c\x10\xde\x05\x2b\xcb\xd6\x0a\xee\x8c\xd7\xa9\x60\x69\xf4\x00\x24\x83\x73\x6c\xc8\x3a\x69\x34\x7e\xeb\x4a\xb5\xc0\x01\x8c\x0d\x90\x33\xc1\xa1\x01\x0b\x53\x06\xdd\x39\x84\xae\xa0\x04\xef\xa5\x3f\x31\x90\x7d\xdf\x29\xa4\xae\xcb\x14\xa6\x24\x70\x21\x38\x74\xbd\x95\x4a\x61\x45\xf0\x8e\x32\xaf\x06\x81\xb6\xf2\x8c\xef\xd3\xf8\xeb\xfc\x31\xc6\x64\xf6\x84\xef\x93\xc5\x62\x32\x8b\x9f\xae\xb1\x95\x5c\x18\xcf\xa0\x0d\x35\x28\xb9\x2e\x95\xa4\x14\x5b\x61\xad\xd0\x5c\xc1\x64\x81\xf0\xed\x76\x71\xf3\x75\x32\x8b\x27\x7f\x4d\xef\xa7\xf1\x13\x8c\xc5\xdd\x34\x9e\xdd\x2e\x97\xb8\x9b\x2f\x30\xc1\xc3\x64\x11\x4f\x6f\x1e\xef\x27\x0b\x3c\x3c\x2e\x1e\xe6\xcb\xdb\x21\x96\x14\x5c\x51\xd0\xff\xff\xcc\xb3\xfa\xf6\x2c\x21\x25\x16\x52\xb9\x6e\x12\x4f\xc6\xc3\x15\xc6\xab\x14\x85\xd8\x10\x2c\x25\x24\x37\x94\x42\x20\x31\x65\xf5\xd3\x97\x1a\x58\x42\x19\x9d\xd7\x3d\xff\xeb\x42\x62\x9a\x41\x1b\x1e\xc0\x11\xe1\x8f\x82\xb9\x1c\x45\xd1\x76\xbb\x1d\xe6\xda\x0f\x8d\xcd\x23\xd5\xe0\x5c\xf4\xe7\xb0\xd7\x7b\xeb\x01\x40\x14\xa1\x90\x8e\xc3\xe5\x04\xec\x5a\x94\xb5\x2b\x2b\x73\x2b\xd6\x48\x8c\xd7\x4c\xd6\xd5\xa9\x21\x6f\x84\xb7\xf7\x41\x27\x54\xc2\xf1\xbc\x0c\xd2\xf0\x0f\xa6\x24\x5b\xef\x54\x1d\x6f\x82\x6e\x84\xe7\x7e\x7f\xd0\xef\xbf\x0c\x76\xa7\x9f\xa9\xe4\x62\x84\xcb\xe6\xa4\x65\x39\xa6\x9a\x24\xf5\xc6\xbc\x52\x5a\x8f\x94\x36\x64\x2b\x98\x32\x31\x69\xbb\x22\xc1\xe2\xdf\xdf\x40\x3f\x28\xf1\x4c\x6e\x58\x13\x82\x74\x84\xcc\xeb\x24\x14\x3f\x53\x26\x1f\x20\x5d\x9d\xe3\x6d\xc7\xdf\x08\x8b\x34\x54\xc5\x18\xca\xe4\xc3\x9c\x1a\x13\x67\xe7\xd7\xbb\x1c\x99\xe1\xac\xc9\xf9\x65\x0c\x2e\xa4\x1b\xee\xbc\x9e\xef\x49\xe1\xb7\x0b\xce\x4b\x87\x71\xd7\xdf\xf5\xe9\x9c\xcf\x6d\xd9\x1a\x7d\x9c\x63\x89\xbd\xd5\xfb\xb3\xf7\x23\xbf\xa6\x6c\xcd\x9a\x72\xc8\x66\xc9\x56\xea\xfc\xd0\x6f\xc8\x79\xa5\x0a\xe3\x23\x3f\xcf\x97\x2f\x17\xfd\x4f\xfd\x8b\xa3\xb3\xab\xe6\xcc\x94\xc7\xdd\xd6\x39\xe1\x52\x9f\x5f\xa9\x7a\x39\xd5\xe4\x2e\x78\x71\x71\xca\x26\x29\x47\xf8\x2f\x19\xc6\xb8\x3a\x25\xfc\xe0\xf8\x63\x0f\x57\x07\xc3\xfc\x10\xc0\x18\x5d\x1b\xfb\x3d\xcc\x84\x57\x7c\xb8\x3c\xdb\xa2\x7d\x11\x44\xc2\x5e\xa8\x76\x5f\xc2\xeb\x66\x32\x08\xdd\xad\x54\xd6\x7c\xab\x81\x52\x23\x4e\x2e\xd1\xbe\x8c\x25\x77\xaa\x8e\x50\xaa\xae\xd5\x40\x5d\xf3\xa5\xaf\x88\x34\x24\x87\x0f\x82\x52\x98\x0d\xd9\xf0\xca\xb7\x57\xee\x3a\x62\x90\x65\x52\x0b\xd5\xb1\xdb\x07\x81\xad\x48\xa4\xce\x1b\x6b\x4d\xe8\xc0\x5b\xc2\x3f\x0e\x97\xbb\x61\xee\x27\xbf\x9b\xce\x7b\xef\x9f\x00\x00\x00\xff\xff\xb3\x93\x16\xd5\xfc\x06\x00\x00")

+

+func trigram_tracerJsBytes() ([]byte, error) {

+ return bindataRead(

+ _trigram_tracerJs,

+ "trigram_tracer.js",

+ )

+}

+

+func trigram_tracerJs() (*asset, error) {

+ bytes, err := trigram_tracerJsBytes()

+ if err != nil {

+ return nil, err

+ }

+

+ info := bindataFileInfo{name: "trigram_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)}

+ a := &asset{bytes: bytes, info: info, digest: [32]uint8{0x40, 0x63, 0xe1, 0x42, 0x60, 0x7, 0x1b, 0x79, 0x47, 0x1, 0xa1, 0xbf, 0xc4, 0x66, 0x19, 0x9b, 0x2b, 0x5a, 0x1f, 0x82, 0x3d, 0xcf, 0xee, 0xe7, 0x60, 0x25, 0x2c, 0x4f, 0x13, 0x97, 0xc7, 0x18}}

+ return a, nil

+}

+

+var _unigram_tracerJs = []byte("\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff\x8c\x54\x4d\x6f\xdb\x46\x10\xbd\xeb\x57\xbc\xa3\x8c\xa8\xa4\xd3\x5e\x0a\xa5\x09\xc0\x1a\x76\x22\xc0\x91\x0d\x89\x6e\x60\x14\x3d\x2c\xc9\x21\xb9\xe8\x6a\x87\xd8\x9d\x95\x42\x04\xfa\xef\xc5\x92\xa2\xe5\x1a\x6e\x13\x9e\x04\xcd\xbc\x8f\x79\x33\x64\x9a\xe2\x8a\xbb\xde\xe9\xa6\x15\xfc\x7c\xf9\xf6\x57\xe4\x2d\xa1\xe1\x9f\x48\x5a\x72\x14\x76\xc8\x82\xb4\xec\xfc\x2c\x4d\x91\xb7\xda\xa3\xd6\x86\xa0\x3d\x3a\xe5\x04\x5c\x43\x5e\xf4\x1b\x5d\x38\xe5\xfa\x64\x96\xa6\x23\xe6\xd5\x72\x64\xa8\x1d\x11\x3c\xd7\x72\x50\x8e\x96\xe8\x39\xa0\x54\x16\x8e\x2a\xed\xc5\xe9\x22\x08\x41\x0b\x94\xad\x52\x76\xd8\x71\xa5\xeb\x3e\x52\x6a\x41\xb0\x15\xb9\x41\x5a\xc8\xed\xfc\xe4\xe3\xe3\xfa\x01\xb7\xe4\x3d\x39\x7c\x24\x4b\x4e\x19\xdc\x87\xc2\xe8\x12\xb7\xba\x24\xeb\x09\xca\xa3\x8b\xff\xf8\x96\x2a\x14\x03\x5d\x04\xde\x44\x2b\xdb\x93\x15\xdc\x70\xb0\x95\x12\xcd\x76\x01\xd2\xd1\x39\xf6\xe4\xbc\x66\x8b\x5f\x26\xa9\x13\xe1\x02\xec\x22\xc9\x5c\x49\x1c\xc0\x81\xbb\x88\xbb\x80\xb2\x3d\x8c\x92\x33\xf4\x07\x02\x39\xcf\x5d\x41\xdb\x41\xa6\xe5\x8e\x20\xad\x92\x38\xf5\x41\x1b\x83\x82\x10\x3c\xd5\xc1\x2c\x22\x5b\x11\x04\x5f\x56\xf9\xa7\xbb\x87\x1c\xd9\xfa\x11\x5f\xb2\xcd\x26\x5b\xe7\x8f\xef\x70\xd0\xd2\x72\x10\xd0\x9e\x46\x2a\xbd\xeb\x8c\xa6\x0a\x07\xe5\x9c\xb2\xd2\x83\xeb\xc8\xf0\xf9\x7a\x73\xf5\x29\x5b\xe7\xd9\xef\xab\xdb\x55\xfe\x08\x76\xb8\x59\xe5\xeb\xeb\xed\x16\x37\x77\x1b\x64\xb8\xcf\x36\xf9\xea\xea\xe1\x36\xdb\xe0\xfe\x61\x73\x7f\xb7\xbd\x4e\xb0\xa5\xe8\x8a\x22\xfe\xfb\x99\xd7\xc3\xf6\x1c\xa1\x22\x51\xda\xf8\x29\x89\x47\x0e\xf0\x2d\x07\x53\xa1\x55\x7b\x82\xa3\x92\xf4\x9e\x2a\x28\x94\xdc\xf5\x3f\xbc\xd4\xc8\xa5\x0c\xdb\x66\x98\xf9\x3f\x0f\x12\xab\x1a\x96\x65\x01\x4f\x84\xdf\x5a\x91\x6e\x99\xa6\x87\xc3\x21\x69\x6c\x48\xd8\x35\xa9\x19\xe9\x7c\xfa\x21\x99\xcd\xbe\xcd\x00\x20\x4d\xd1\x6a\x2f\x71\x39\x91\x76\xa7\xba\xe8\x8a\xbb\x92\x2b\xf2\x10\x46\xc9\xc1\x0a\x39\x3f\x74\xc7\xd6\x25\xbe\x1d\x17\x13\xd6\x72\xe7\xc7\x16\x0f\x1b\x76\x05\xb9\x11\x3e\xb6\xc7\xea\x12\x97\x4f\xdd\x5e\xa8\x8b\x4a\xda\xee\xf9\x6f\xaa\x86\xdc\x68\x4f\xae\x3f\x09\x8e\x77\x10\x7d\xfc\xf1\x19\xf4\x95\xca\x20\xe4\x93\x01\x1d\xa1\x4b\xd4\xc1\x96\xf1\xfa\xe6\x86\x9b\x05\xaa\xe2\x02\xe3\x14\xf1\xd9\xab\x78\x9b\x78\x0f\xc3\x4d\xc2\x5d\x22\xbc\x15\xa7\x6d\x33\xbf\x78\xf7\xd4\xa3\x6b\xcc\xa5\xd5\x3e\x89\x83\xfc\xc9\xdd\x5f\x17\x67\x7c\x7c\xfe\x55\x7b\xf3\xe6\x0c\x3c\x3e\xfd\x22\xe3\x09\xff\x83\xc2\x7b\xbc\x7d\x0d\x37\x34\xc5\x40\x26\xda\x73\x88\xb5\x0a\x46\x9e\xe7\x72\x68\x4f\x17\xad\x4a\x09\xca\x9c\xa2\x88\x6f\x27\xd7\x50\x76\x4a\xab\x1e\x6f\x2d\xb2\x0c\x14\xaf\xe6\x73\x5c\xcc\x26\x1d\x47\xfe\x35\x21\x65\xcc\x20\x36\x2d\x7d\x38\xd5\x82\xc8\x42\x0b\x39\x15\xdf\x55\xde\x93\x8b\x9f\x29\x38\x92\xe0\xac\x9f\x18\x23\xac\xd6\x56\x99\x89\xfb\x74\xd1\xe2\x54\xa9\x6d\x33\x7a\x1b\x4b\xcf\xcc\x95\xf2\xf5\xf9\xe2\x74\x3d\x7f\x0a\x07\x1f\x70\xf9\x62\x27\xa3\xe4\x39\xe4\x97\xe1\x1e\x17\xb3\xe3\xec\x9f\x00\x00\x00\xff\xff\x8d\xba\x8d\xa8\xe6\x05\x00\x00")

+

+func unigram_tracerJsBytes() ([]byte, error) {

+ return bindataRead(

+ _unigram_tracerJs,

+ "unigram_tracer.js",

+ )

+}

+

+func unigram_tracerJs() (*asset, error) {

+ bytes, err := unigram_tracerJsBytes()

+ if err != nil {

+ return nil, err

+ }

+

+ info := bindataFileInfo{name: "unigram_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)}

+ a := &asset{bytes: bytes, info: info, digest: [32]uint8{0x2f, 0x36, 0x14, 0xc2, 0xf6, 0xc3, 0x80, 0x2b, 0x4a, 0x11, 0x7d, 0xd5, 0x3e, 0xef, 0x23, 0xb5, 0xd6, 0xe6, 0xe6, 0x5, 0x41, 0xf6, 0x14, 0x7a, 0x39, 0xf7, 0xf8, 0xac, 0x89, 0x8e, 0x43, 0xe6}}

+ return a, nil

+}

+

+// Asset loads and returns the asset for the given name.

+// It returns an error if the asset could not be found or

+// could not be loaded.

+func Asset(name string) ([]byte, error) {

+ canonicalName := strings.Replace(name, "\\", "/", -1)

+ if f, ok := _bindata[canonicalName]; ok {

+ a, err := f()

+ if err != nil {

+ return nil, fmt.Errorf("Asset %s can't read by error: %v", name, err)

+ }

+ return a.bytes, nil

+ }

+ return nil, fmt.Errorf("Asset %s not found", name)

+}

+

+// AssetString returns the asset contents as a string (instead of a []byte).

+func AssetString(name string) (string, error) {

+ data, err := Asset(name)

+ return string(data), err

+}

+

+// MustAsset is like Asset but panics when Asset would return an error.

+// It simplifies safe initialization of global variables.

+func MustAsset(name string) []byte {

+ a, err := Asset(name)

+ if err != nil {

+ panic("asset: Asset(" + name + "): " + err.Error())

+ }

+

+ return a

+}

+

+// MustAssetString is like AssetString but panics when Asset would return an

+// error. It simplifies safe initialization of global variables.

+func MustAssetString(name string) string {

+ return string(MustAsset(name))

+}

+

+// AssetInfo loads and returns the asset info for the given name.

+// It returns an error if the asset could not be found or

+// could not be loaded.

+func AssetInfo(name string) (os.FileInfo, error) {

+ canonicalName := strings.Replace(name, "\\", "/", -1)

+ if f, ok := _bindata[canonicalName]; ok {

+ a, err := f()

+ if err != nil {

+ return nil, fmt.Errorf("AssetInfo %s can't read by error: %v", name, err)

+ }

+ return a.info, nil

+ }

+ return nil, fmt.Errorf("AssetInfo %s not found", name)

+}

+

+// AssetDigest returns the digest of the file with the given name. It returns an

+// error if the asset could not be found or the digest could not be loaded.

+func AssetDigest(name string) ([sha256.Size]byte, error) {

+ canonicalName := strings.Replace(name, "\\", "/", -1)

+ if f, ok := _bindata[canonicalName]; ok {

+ a, err := f()

+ if err != nil {

+ return [sha256.Size]byte{}, fmt.Errorf("AssetDigest %s can't read by error: %v", name, err)

+ }

+ return a.digest, nil

+ }

+ return [sha256.Size]byte{}, fmt.Errorf("AssetDigest %s not found", name)

+}

+

+// Digests returns a map of all known files and their checksums.

+func Digests() (map[string][sha256.Size]byte, error) {

+ mp := make(map[string][sha256.Size]byte, len(_bindata))

+ for name := range _bindata {

+ a, err := _bindata[name]()

+ if err != nil {

+ return nil, err

+ }

+ mp[name] = a.digest

+ }

+ return mp, nil

+}

+

+// AssetNames returns the names of the assets.

+func AssetNames() []string {

+ names := make([]string, 0, len(_bindata))

+ for name := range _bindata {

+ names = append(names, name)

+ }

+ return names

+}

+

+// _bindata is a table, holding each asset generator, mapped to its name.

+var _bindata = map[string]func() (*asset, error){

+ "4byte_tracer.js": _4byte_tracerJs,

+ "bigram_tracer.js": bigram_tracerJs,

+ "call_tracer.js": call_tracerJs,

+ "evmdis_tracer.js": evmdis_tracerJs,

+ "noop_tracer.js": noop_tracerJs,

+ "opcount_tracer.js": opcount_tracerJs,

+ "prestate_tracer.js": prestate_tracerJs,

+ "trigram_tracer.js": trigram_tracerJs,

+ "unigram_tracer.js": unigram_tracerJs,

+}

+

+// AssetDebug is true if the assets were built with the debug flag enabled.

+const AssetDebug = false

+

+// AssetDir returns the file names below a certain

+// directory embedded in the file by go-bindata.

+// For example if you run go-bindata on data/... and data contains the

+// following hierarchy:

+// data/

+// foo.txt

+// img/

+// a.png

+// b.png

+// then AssetDir("data") would return []string{"foo.txt", "img"},

+// AssetDir("data/img") would return []string{"a.png", "b.png"},

+// AssetDir("foo.txt") and AssetDir("notexist") would return an error, and

+// AssetDir("") will return []string{"data"}.

+func AssetDir(name string) ([]string, error) {

+ node := _bintree

+ if len(name) != 0 {

+ canonicalName := strings.Replace(name, "\\", "/", -1)

+ pathList := strings.Split(canonicalName, "/")

+ for _, p := range pathList {

+ node = node.Children[p]

+ if node == nil {

+ return nil, fmt.Errorf("Asset %s not found", name)

+ }

+ }

+ }

+ if node.Func != nil {

+ return nil, fmt.Errorf("Asset %s not found", name)

+ }

+ rv := make([]string, 0, len(node.Children))

+ for childName := range node.Children {

+ rv = append(rv, childName)

+ }

+ return rv, nil

+}

+

+type bintree struct {

+ Func func() (*asset, error)

+ Children map[string]*bintree

+}

+

+var _bintree = &bintree{nil, map[string]*bintree{

+ "4byte_tracer.js": {_4byte_tracerJs, map[string]*bintree{}},

+ "bigram_tracer.js": {bigram_tracerJs, map[string]*bintree{}},

+ "call_tracer.js": {call_tracerJs, map[string]*bintree{}},

+ "evmdis_tracer.js": {evmdis_tracerJs, map[string]*bintree{}},

+ "noop_tracer.js": {noop_tracerJs, map[string]*bintree{}},

+ "opcount_tracer.js": {opcount_tracerJs, map[string]*bintree{}},

+ "prestate_tracer.js": {prestate_tracerJs, map[string]*bintree{}},

+ "trigram_tracer.js": {trigram_tracerJs, map[string]*bintree{}},

+ "unigram_tracer.js": {unigram_tracerJs, map[string]*bintree{}},

+}}

+

+// RestoreAsset restores an asset under the given directory.

+func RestoreAsset(dir, name string) error {

+ data, err := Asset(name)

+ if err != nil {

+ return err

+ }

+ info, err := AssetInfo(name)

+ if err != nil {

+ return err

+ }

+ err = os.MkdirAll(_filePath(dir, filepath.Dir(name)), os.FileMode(0755))

+ if err != nil {

+ return err

+ }

+ err = ioutil.WriteFile(_filePath(dir, name), data, info.Mode())

+ if err != nil {

+ return err

+ }

+ return os.Chtimes(_filePath(dir, name), info.ModTime(), info.ModTime())

+}

+

+// RestoreAssets restores an asset under the given directory recursively.

+func RestoreAssets(dir, name string) error {

+ children, err := AssetDir(name)

+ // File

+ if err != nil {

+ return RestoreAsset(dir, name)

+ }

+ // Dir

+ for _, child := range children {

+ err = RestoreAssets(dir, filepath.Join(name, child))

+ if err != nil {

+ return err

+ }

+ }

+ return nil

+}

+

+func _filePath(dir, name string) string {

+ canonicalName := strings.Replace(name, "\\", "/", -1)

+ return filepath.Join(append([]string{dir}, strings.Split(canonicalName, "/")...)...)

+}

+// Copyright 2018 The go-ethereum Authors

+// This file is part of the go-ethereum library.

+//

+// The go-ethereum library is free software: you can redistribute it and/or modify

+// it under the terms of the GNU Lesser General Public License as published by

+// the Free Software Foundation, either version 3 of the License, or

+// (at your option) any later version.

+//

+// The go-ethereum library is distributed in the hope that it will be useful,

+// but WITHOUT ANY WARRANTY; without even the implied warranty of

+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+// GNU Lesser General Public License for more details.

+//

+// You should have received a copy of the GNU Lesser General Public License

+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

+

+{

+ // hist is the counters of opcode bigrams

+ hist: {},

+ // lastOp is last operation

+ lastOp: '',

+ // execution depth of last op

+ lastDepth: 0,

+ // step is invoked for every opcode that the VM executes.

+ step: function(log, db) {

+ var op = log.op.toString();

+ var depth = log.getDepth();

+ if (depth == this.lastDepth){

+ var key = this.lastOp+'-'+op;

+ if (this.hist[key]){

+ this.hist[key]++;

+ }

+ else {

+ this.hist[key] = 1;

+ }

+ }

+ this.lastOp = op;

+ this.lastDepth = depth;

+ },

+ // fault is invoked when the actual execution of an opcode fails.

+ fault: function(log, db) {},

+ // result is invoked when all the opcodes have been iterated over and returns

+ // the final result of the tracing.

+ result: function(ctx) {

+ return this.hist;

+ },

+}

+// Copyright 2017 The go-ethereum Authors

+// This file is part of the go-ethereum library.

+//

+// The go-ethereum library is free software: you can redistribute it and/or modify

+// it under the terms of the GNU Lesser General Public License as published by

+// the Free Software Foundation, either version 3 of the License, or

+// (at your option) any later version.

+//

+// The go-ethereum library is distributed in the hope that it will be useful,

+// but WITHOUT ANY WARRANTY; without even the implied warranty of

+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+// GNU Lesser General Public License for more details.

+//

+// You should have received a copy of the GNU Lesser General Public License

+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

+

+// callTracer is a full blown transaction tracer that extracts and reports all

+// the internal calls made by a transaction, along with any useful information.

+{

+ // callstack is the current recursive call stack of the EVM execution.

+ callstack: [{}],

+

+ // descended tracks whether we've just descended from an outer transaction into

+ // an inner call.

+ descended: false,

+

+ // step is invoked for every opcode that the VM executes.

+ step: function(log, db) {

+ // Capture any errors immediately

+ var error = log.getError();

+ if (error !== undefined) {

+ this.fault(log, db);

+ return;

+ }

+ // We only care about system opcodes, faster if we pre-check once

+ var syscall = (log.op.toNumber() & 0xf0) == 0xf0;

+ if (syscall) {

+ var op = log.op.toString();

+ }

+ // If a new contract is being created, add to the call stack

+ if (syscall && (op == 'CREATE' || op == "CREATE2")) {

+ var inOff = log.stack.peek(1).valueOf();

+ var inEnd = inOff + log.stack.peek(2).valueOf();

+

+ // Assemble the internal call report and store for completion

+ var call = {

+ type: op,

+ from: toHex(log.contract.getAddress()),

+ input: toHex(log.memory.slice(inOff, inEnd)),

+ gasIn: log.getGas(),

+ gasCost: log.getCost(),

+ value: '0x' + log.stack.peek(0).toString(16)

+ };

+ this.callstack.push(call);

+ this.descended = true

+ return;

+ }

+ // If a contract is being self destructed, gather that as a subcall too

+ if (syscall && op == 'SELFDESTRUCT') {

+ var left = this.callstack.length;

+ if (this.callstack[left-1].calls === undefined) {

+ this.callstack[left-1].calls = [];

+ }

+ this.callstack[left-1].calls.push({type: op});

+ return

+ }

+ // If a new method invocation is being done, add to the call stack

+ if (syscall && (op == 'CALL' || op == 'CALLCODE' || op == 'DELEGATECALL' || op == 'STATICCALL')) {

+ // Skip any pre-compile invocations, those are just fancy opcodes

+ var to = toAddress(log.stack.peek(1).toString(16));

+ if (isPrecompiled(to)) {

+ return

+ }

+ var off = (op == 'DELEGATECALL' || op == 'STATICCALL' ? 0 : 1);

+

+ var inOff = log.stack.peek(2 + off).valueOf();

+ var inEnd = inOff + log.stack.peek(3 + off).valueOf();

+

+ // Assemble the internal call report and store for completion

+ var call = {

+ type: op,

+ from: toHex(log.contract.getAddress()),

+ to: toHex(to),

+ input: toHex(log.memory.slice(inOff, inEnd)),

+ gasIn: log.getGas(),

+ gasCost: log.getCost(),

+ outOff: log.stack.peek(4 + off).valueOf(),

+ outLen: log.stack.peek(5 + off).valueOf()

+ };

+ if (op != 'DELEGATECALL' && op != 'STATICCALL') {

+ call.value = '0x' + log.stack.peek(2).toString(16);

+ }

+ this.callstack.push(call);

+ this.descended = true

+ return;

+ }

+ // If we've just descended into an inner call, retrieve it's true allowance. We

+ // need to extract if from within the call as there may be funky gas dynamics

+ // with regard to requested and actually given gas (2300 stipend, 63/64 rule).

+ if (this.descended) {

+ if (log.getDepth() >= this.callstack.length) {

+ this.callstack[this.callstack.length - 1].gas = log.getGas();

+ } else {

+ // TODO(karalabe): The call was made to a plain account. We currently don't

+ // have access to the true gas amount inside the call and so any amount will

+ // mostly be wrong since it depends on a lot of input args. Skip gas for now.

+ }

+ this.descended = false;

+ }

+ // If an existing call is returning, pop off the call stack

+ if (syscall && op == 'REVERT') {

+ this.callstack[this.callstack.length - 1].error = "execution reverted";

+ return;

+ }

+ if (log.getDepth() == this.callstack.length - 1) {

+ // Pop off the last call and get the execution results

+ var call = this.callstack.pop();

+

+ if (call.type == 'CREATE' || call.type == "CREATE2") {

+ // If the call was a CREATE, retrieve the contract address and output code

+ call.gasUsed = '0x' + bigInt(call.gasIn - call.gasCost - log.getGas()).toString(16);

+ delete call.gasIn; delete call.gasCost;

+

+ var ret = log.stack.peek(0);

+ if (!ret.equals(0)) {

+ call.to = toHex(toAddress(ret.toString(16)));

+ call.output = toHex(db.getCode(toAddress(ret.toString(16))));

+ } else if (call.error === undefined) {

+ call.error = "internal failure"; // TODO(karalabe): surface these faults somehow

+ }

+ } else {

+ // If the call was a contract call, retrieve the gas usage and output

+ if (call.gas !== undefined) {

+ call.gasUsed = '0x' + bigInt(call.gasIn - call.gasCost + call.gas - log.getGas()).toString(16);

+

+ var ret = log.stack.peek(0);

+ if (!ret.equals(0)) {

+ call.output = toHex(log.memory.slice(call.outOff, call.outOff + call.outLen));

+ } else if (call.error === undefined) {

+ call.error = "internal failure"; // TODO(karalabe): surface these faults somehow

+ }

+ }

+ delete call.gasIn; delete call.gasCost;

+ delete call.outOff; delete call.outLen;

+ }

+ if (call.gas !== undefined) {

+ call.gas = '0x' + bigInt(call.gas).toString(16);

+ }

+ // Inject the call into the previous one

+ var left = this.callstack.length;

+ if (this.callstack[left-1].calls === undefined) {

+ this.callstack[left-1].calls = [];

+ }

+ this.callstack[left-1].calls.push(call);

+ }

+ },

+

+ // fault is invoked when the actual execution of an opcode fails.

+ fault: function(log, db) {

+ // If the topmost call already reverted, don't handle the additional fault again

+ if (this.callstack[this.callstack.length - 1].error !== undefined) {

+ return;

+ }

+ // Pop off the just failed call

+ var call = this.callstack.pop();

+ call.error = log.getError();

+

+ // Consume all available gas and clean any leftovers

+ if (call.gas !== undefined) {

+ call.gas = '0x' + bigInt(call.gas).toString(16);

+ call.gasUsed = call.gas

+ }

+ delete call.gasIn; delete call.gasCost;

+ delete call.outOff; delete call.outLen;

+

+ // Flatten the failed call into its parent

+ var left = this.callstack.length;

+ if (left > 0) {

+ if (this.callstack[left-1].calls === undefined) {

+ this.callstack[left-1].calls = [];

+ }

+ this.callstack[left-1].calls.push(call);

+ return;

+ }

+ // Last call failed too, leave it in the stack

+ this.callstack.push(call);

+ },

+

+ // result is invoked when all the opcodes have been iterated over and returns

+ // the final result of the tracing.

+ result: function(ctx, db) {

+ var result = {

+ type: ctx.type,

+ from: toHex(ctx.from),

+ to: toHex(ctx.to),

+ value: '0x' + ctx.value.toString(16),

+ gas: '0x' + bigInt(ctx.gas).toString(16),

+ gasUsed: '0x' + bigInt(ctx.gasUsed).toString(16),

+ input: toHex(ctx.input),

+ output: toHex(ctx.output),

+ time: ctx.time,

+ };

+ if (this.callstack[0].calls !== undefined) {

+ result.calls = this.callstack[0].calls;

+ }

+ if (this.callstack[0].error !== undefined) {

+ result.error = this.callstack[0].error;

+ } else if (ctx.error !== undefined) {

+ result.error = ctx.error;

+ }

+ if (result.error !== undefined) {

+ delete result.output;

+ }

+ return this.finalize(result);

+ },

+

+ // finalize recreates a call object using the final desired field oder for json

+ // serialization. This is a nicety feature to pass meaningfully ordered results

+ // to users who don't interpret it, just display it.

+ finalize: function(call) {

+ var sorted = {

+ type: call.type,

+ from: call.from,

+ to: call.to,

+ value: call.value,

+ gas: call.gas,

+ gasUsed: call.gasUsed,

+ input: call.input,

+ output: call.output,

+ error: call.error,

+ time: call.time,

+ calls: call.calls,

+ }

+ for (var key in sorted) {

+ if (sorted[key] === undefined) {

+ delete sorted[key];

+ }

+ }

+ if (sorted.calls !== undefined) {

+ for (var i=0; i<sorted.calls.length; i++) {

+ sorted.calls[i] = this.finalize(sorted.calls[i]);

+ }

+ }

+ return sorted;

+ }

+}

+// Copyright 2017 The go-ethereum Authors

+// This file is part of the go-ethereum library.

+//

+// The go-ethereum library is free software: you can redistribute it and/or modify

+// it under the terms of the GNU Lesser General Public License as published by

+// the Free Software Foundation, either version 3 of the License, or

+// (at your option) any later version.

+//

+// The go-ethereum library is distributed in the hope that it will be useful,

+// but WITHOUT ANY WARRANTY; without even the implied warranty of

+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+// GNU Lesser General Public License for more details.

+//

+// You should have received a copy of the GNU Lesser General Public License

+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

+

+// evmdisTracer returns sufficient information from a trace to perform evmdis-style

+// disassembly.

+{

+ stack: [{ops: []}],

+

+ npushes: {0: 0, 1: 1, 2: 1, 3: 1, 4: 1, 5: 1, 6: 1, 7: 1, 8: 1, 9: 1, 10: 1, 11: 1, 16: 1, 17: 1, 18: 1, 19: 1, 20: 1, 21: 1, 22: 1, 23: 1, 24: 1, 25: 1, 26: 1, 32: 1, 48: 1, 49: 1, 50: 1, 51: 1, 52: 1, 53: 1, 54: 1, 55: 0, 56: 1, 57: 0, 58: 1, 59: 1, 60: 0, 64: 1, 65: 1, 66: 1, 67: 1, 68: 1, 69: 1, 80: 0, 81: 1, 82: 0, 83: 0, 84: 1, 85: 0, 86: 0, 87: 0, 88: 1, 89: 1, 90: 1, 91: 0, 96: 1, 97: 1, 98: 1, 99: 1, 100: 1, 101: 1, 102: 1, 103: 1, 104: 1, 105: 1, 106: 1, 107: 1, 108: 1, 109: 1, 110: 1, 111: 1, 112: 1, 113: 1, 114: 1, 115: 1, 116: 1, 117: 1, 118: 1, 119: 1, 120: 1, 121: 1, 122: 1, 123: 1, 124: 1, 125: 1, 126: 1, 127: 1, 128: 2, 129: 3, 130: 4, 131: 5, 132: 6, 133: 7, 134: 8, 135: 9, 136: 10, 137: 11, 138: 12, 139: 13, 140: 14, 141: 15, 142: 16, 143: 17, 144: 2, 145: 3, 146: 4, 147: 5, 148: 6, 149: 7, 150: 8, 151: 9, 152: 10, 153: 11, 154: 12, 155: 13, 156: 14, 157: 15, 158: 16, 159: 17, 160: 0, 161: 0, 162: 0, 163: 0, 164: 0, 240: 1, 241: 1, 242: 1, 243: 0, 244: 0, 255: 0},

+

+ // result is invoked when all the opcodes have been iterated over and returns

+ // the final result of the tracing.

+ result: function() { return this.stack[0].ops; },

+

+ // fault is invoked when the actual execution of an opcode fails.

+ fault: function(log, db) { },

+

+ // step is invoked for every opcode that the VM executes.

+ step: function(log, db) {

+ var frame = this.stack[this.stack.length - 1];

+

+ var error = log.getError();

+ if (error) {

+ frame["error"] = error;

+ } else if (log.getDepth() == this.stack.length) {

+ opinfo = {

+ op: log.op.toNumber(),

+ depth : log.getDepth(),

+ result: [],

+ };

+ if (frame.ops.length > 0) {

+ var prevop = frame.ops[frame.ops.length - 1];

+ for(var i = 0; i < this.npushes[prevop.op]; i++)

+ prevop.result.push(log.stack.peek(i).toString(16));

+ }

+ switch(log.op.toString()) {

+ case "CALL": case "CALLCODE":

+ var instart = log.stack.peek(3).valueOf();

+ var insize = log.stack.peek(4).valueOf();

+ opinfo["gas"] = log.stack.peek(0).valueOf();

+ opinfo["to"] = log.stack.peek(1).toString(16);

+ opinfo["value"] = log.stack.peek(2).toString();

+ opinfo["input"] = log.memory.slice(instart, instart + insize);

+ opinfo["error"] = null;

+ opinfo["return"] = null;

+ opinfo["ops"] = [];

+ this.stack.push(opinfo);

+ break;

+ case "DELEGATECALL": case "STATICCALL":

+ var instart = log.stack.peek(2).valueOf();

+ var insize = log.stack.peek(3).valueOf();

+ opinfo["op"] = log.op.toString();

+ opinfo["gas"] = log.stack.peek(0).valueOf();

+ opinfo["to"] = log.stack.peek(1).toString(16);

+ opinfo["input"] = log.memory.slice(instart, instart + insize);

+ opinfo["error"] = null;

+ opinfo["return"] = null;

+ opinfo["ops"] = [];

+ this.stack.push(opinfo);

+ break;

+ case "RETURN":

+ var out = log.stack.peek(0).valueOf();

+ var outsize = log.stack.peek(1).valueOf();

+ frame.return = log.memory.slice(out, out + outsize);

+ break;

+ case "STOP": case "SUICIDE":

+ frame.return = log.memory.slice(0, 0);

+ break;

+ case "JUMPDEST":

+ opinfo["pc"] = log.getPC();

+ }

+ if(log.op.isPush()) {

+ opinfo["len"] = log.op.toNumber() - 0x5e;

+ }

+ frame.ops.push(opinfo);

+ } else {

+ this.stack = this.stack.slice(0, log.getDepth());

+ }

+ }

+}

+// Copyright 2017 The go-ethereum Authors

+// This file is part of the go-ethereum library.

+//

+// The go-ethereum library is free software: you can redistribute it and/or modify

+// it under the terms of the GNU Lesser General Public License as published by

+// the Free Software Foundation, either version 3 of the License, or

+// (at your option) any later version.

+//

+// The go-ethereum library is distributed in the hope that it will be useful,

+// but WITHOUT ANY WARRANTY; without even the implied warranty of

+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+// GNU Lesser General Public License for more details.

+//

+// You should have received a copy of the GNU Lesser General Public License

+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

+

+// noopTracer is just the barebone boilerplate code required from a JavaScript

+// object to be usable as a transaction tracer.

+{

+ // step is invoked for every opcode that the VM executes.

+ step: function(log, db) { },

+

+ // fault is invoked when the actual execution of an opcode fails.

+ fault: function(log, db) { },

+

+ // result is invoked when all the opcodes have been iterated over and returns

+ // the final result of the tracing.

+ result: function(ctx, db) { return {}; }

+}

+// Copyright 2017 The go-ethereum Authors

+// This file is part of the go-ethereum library.

+//

+// The go-ethereum library is free software: you can redistribute it and/or modify

+// it under the terms of the GNU Lesser General Public License as published by

+// the Free Software Foundation, either version 3 of the License, or

+// (at your option) any later version.

+//

+// The go-ethereum library is distributed in the hope that it will be useful,

+// but WITHOUT ANY WARRANTY; without even the implied warranty of

+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+// GNU Lesser General Public License for more details.

+//

+// You should have received a copy of the GNU Lesser General Public License

+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

+

+// opcountTracer is a sample tracer that just counts the number of instructions

+// executed by the EVM before the transaction terminated.

+{

+ // count tracks the number of EVM instructions executed.

+ count: 0,

+

+ // step is invoked for every opcode that the VM executes.

+ step: function(log, db) { this.count++ },

+

+ // fault is invoked when the actual execution of an opcode fails.

+ fault: function(log, db) { },

+

+ // result is invoked when all the opcodes have been iterated over and returns

+ // the final result of the tracing.

+ result: function(ctx, db) { return this.count }

+}

+// Copyright 2017 The go-ethereum Authors

+// This file is part of the go-ethereum library.

+//

+// The go-ethereum library is free software: you can redistribute it and/or modify

+// it under the terms of the GNU Lesser General Public License as published by

+// the Free Software Foundation, either version 3 of the License, or

+// (at your option) any later version.

+//

+// The go-ethereum library is distributed in the hope that it will be useful,

+// but WITHOUT ANY WARRANTY; without even the implied warranty of

+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+// GNU Lesser General Public License for more details.

+//

+// You should have received a copy of the GNU Lesser General Public License

+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

+

+// prestateTracer outputs sufficient information to create a local execution of

+// the transaction from a custom assembled genesis block.

+{

+ // prestate is the genesis that we're building.

+ prestate: null,

+

+ // lookupAccount injects the specified account into the prestate object.

+ lookupAccount: function(addr, db){

+ var acc = toHex(addr);

+ if (this.prestate[acc] === undefined) {

+ this.prestate[acc] = {

+ balance: '0x' + db.getBalance(addr).toString(16),

+ nonce: db.getNonce(addr),

+ code: toHex(db.getCode(addr)),

+ storage: {}

+ };

+ }

+ },

+

+ // lookupStorage injects the specified storage entry of the given account into

+ // the prestate object.

+ lookupStorage: function(addr, key, db){

+ var acc = toHex(addr);

+ var idx = toHex(key);

+

+ if (this.prestate[acc].storage[idx] === undefined) {

+ this.prestate[acc].storage[idx] = toHex(db.getState(addr, key));

+ }

+ },

+

+ // result is invoked when all the opcodes have been iterated over and returns

+ // the final result of the tracing.

+ result: function(ctx, db) {

+ // At this point, we need to deduct the 'value' from the

+ // outer transaction, and move it back to the origin

+ this.lookupAccount(ctx.from, db);

+

+ var fromBal = bigInt(this.prestate[toHex(ctx.from)].balance.slice(2), 16);

+ var toBal = bigInt(this.prestate[toHex(ctx.to)].balance.slice(2), 16);

+

+ this.prestate[toHex(ctx.to)].balance = '0x'+toBal.subtract(ctx.value).toString(16);

+ this.prestate[toHex(ctx.from)].balance = '0x'+fromBal.add(ctx.value).toString(16);

+

+ // Decrement the caller's nonce, and remove empty create targets

+ this.prestate[toHex(ctx.from)].nonce--;

+ if (ctx.type == 'CREATE') {

+ // We can blibdly delete the contract prestate, as any existing state would

+ // have caused the transaction to be rejected as invalid in the first place.

+ delete this.prestate[toHex(ctx.to)];

+ }

+ // Return the assembled allocations (prestate)

+ return this.prestate;

+ },

+

+ // step is invoked for every opcode that the VM executes.

+ step: function(log, db) {

+ // Add the current account if we just started tracing

+ if (this.prestate === null){

+ this.prestate = {};

+ // Balance will potentially be wrong here, since this will include the value

+ // sent along with the message. We fix that in 'result()'.

+ this.lookupAccount(log.contract.getAddress(), db);

+ }

+ // Whenever new state is accessed, add it to the prestate

+ switch (log.op.toString()) {

+ case "EXTCODECOPY": case "EXTCODESIZE": case "BALANCE":

+ this.lookupAccount(toAddress(log.stack.peek(0).toString(16)), db);

+ break;

+ case "CREATE":

+ var from = log.contract.getAddress();

+ this.lookupAccount(toContract(from, db.getNonce(from)), db);

+ break;

+ case "CREATE2":

+ var from = log.contract.getAddress();

+ // stack: salt, size, offset, endowment

+ var offset = log.stack.peek(1).valueOf()

+ var size = log.stack.peek(2).valueOf()

+ var end = offset + size

+ this.lookupAccount(toContract2(from, log.stack.peek(3).toString(16), log.memory.slice(offset, end)), db);

+ break;

+ case "CALL": case "CALLCODE": case "DELEGATECALL": case "STATICCALL":

+ this.lookupAccount(toAddress(log.stack.peek(1).toString(16)), db);

+ break;

+ case 'SSTORE':case 'SLOAD':

+ this.lookupStorage(log.contract.getAddress(), toWord(log.stack.peek(0).toString(16)), db);

+ break;

+ }

+ },

+

+ // fault is invoked when the actual execution of an opcode fails.

+ fault: function(log, db) {}

+}

+// Copyright 2017 The go-ethereum Authors

+// This file is part of the go-ethereum library.

+//

+// The go-ethereum library is free software: you can redistribute it and/or modify

+// it under the terms of the GNU Lesser General Public License as published by

+// the Free Software Foundation, either version 3 of the License, or

+// (at your option) any later version.

+//

+// The go-ethereum library is distributed in the hope that it will be useful,

+// but WITHOUT ANY WARRANTY; without even the implied warranty of

+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+// GNU Lesser General Public License for more details.

+//

+// You should have received a copy of the GNU Lesser General Public License

+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

+

+//go:generate go-bindata -nometadata -o assets.go -pkg tracers -ignore tracers.go -ignore assets.go ./...

+//go:generate gofmt -s -w assets.go

+

+// Package tracers contains the actual JavaScript tracer assets.

+package tracers

+// Copyright 2018 The go-ethereum Authors

+// This file is part of the go-ethereum library.

+//

+// The go-ethereum library is free software: you can redistribute it and/or modify

+// it under the terms of the GNU Lesser General Public License as published by

+// the Free Software Foundation, either version 3 of the License, or

+// (at your option) any later version.

+//

+// The go-ethereum library is distributed in the hope that it will be useful,

+// but WITHOUT ANY WARRANTY; without even the implied warranty of

+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+// GNU Lesser General Public License for more details.

+//

+// You should have received a copy of the GNU Lesser General Public License

+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

+

+{

+ // hist is the map of trigram counters

+ hist: {},

+ // lastOp is last operation

+ lastOps: ['',''],

+ lastDepth: 0,

+ // step is invoked for every opcode that the VM executes.

+ step: function(log, db) {

+ var depth = log.getDepth();

+ if (depth != this.lastDepth){

+ this.lastOps = ['',''];

+ this.lastDepth = depth;

+ return;

+ }

+ var op = log.op.toString();

+ var key = this.lastOps[0]+'-'+this.lastOps[1]+'-'+op;

+ if (this.hist[key]){

+ this.hist[key]++;

+ }

+ else {

+ this.hist[key] = 1;

+ }

+ this.lastOps[0] = this.lastOps[1];

+ this.lastOps[1] = op;

+ },

+ // fault is invoked when the actual execution of an opcode fails.

+ fault: function(log, db) {},

+ // result is invoked when all the opcodes have been iterated over and returns

+ // the final result of the tracing.

+ result: function(ctx) {

+ return this.hist;

+ },

+}

+// Copyright 2018 The go-ethereum Authors

+// This file is part of the go-ethereum library.

+//

+// The go-ethereum library is free software: you can redistribute it and/or modify

+// it under the terms of the GNU Lesser General Public License as published by

+// the Free Software Foundation, either version 3 of the License, or

+// (at your option) any later version.

+//

+// The go-ethereum library is distributed in the hope that it will be useful,

+// but WITHOUT ANY WARRANTY; without even the implied warranty of

+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+// GNU Lesser General Public License for more details.

+//

+// You should have received a copy of the GNU Lesser General Public License

+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

+

+{

+ // hist is the map of opcodes to counters

+ hist: {},

+ // nops counts number of ops

+ nops: 0,

+ // step is invoked for every opcode that the VM executes.

+ step: function(log, db) {

+ var op = log.op.toString();

+ if (this.hist[op]){

+ this.hist[op]++;

+ }

+ else {

+ this.hist[op] = 1;

+ }

+ this.nops++;

+ },

+ // fault is invoked when the actual execution of an opcode fails.

+ fault: function(log, db) {},

+

+ // result is invoked when all the opcodes have been iterated over and returns

+ // the final result of the tracing.

+ result: function(ctx) {

+ if(this.nops > 0){

+ return this.hist;

+ }

+ },

+}

+// Copyright 2017 The go-ethereum Authors

+// This file is part of the go-ethereum library.

+//

+// The go-ethereum library is free software: you can redistribute it and/or modify

+// it under the terms of the GNU Lesser General Public License as published by

+// the Free Software Foundation, either version 3 of the License, or

+// (at your option) any later version.

+//

+// The go-ethereum library is distributed in the hope that it will be useful,

+// but WITHOUT ANY WARRANTY; without even the implied warranty of

+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+// GNU Lesser General Public License for more details.

+//

+// You should have received a copy of the GNU Lesser General Public License

+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

+

+package tracers

+

+import (

+ "encoding/json"

+ "errors"

+ "fmt"

+ "math/big"

+ "sync/atomic"

+ "time"

+ "unsafe"

+

+ "github.com/ava-labs/coreth/core/vm"

+ "github.com/ava-labs/go-ethereum/common"

+ "github.com/ava-labs/go-ethereum/common/hexutil"

+ "github.com/ava-labs/go-ethereum/crypto"

+ "github.com/ava-labs/go-ethereum/log"

+ duktape "gopkg.in/olebedev/go-duktape.v3"

+)

+

+// bigIntegerJS is the minified version of https://github.com/peterolson/BigInteger.js.

+const bigIntegerJS = `var bigInt=function(undefined){"use strict";var BASE=1e7,LOG_BASE=7,MAX_INT=9007199254740992,MAX_INT_ARR=smallToArray(MAX_INT),LOG_MAX_INT=Math.log(MAX_INT);function Integer(v,radix){if(typeof v==="undefined")return Integer[0];if(typeof radix!=="undefined")return+radix===10?parseValue(v):parseBase(v,radix);return parseValue(v)}function BigInteger(value,sign){this.value=value;this.sign=sign;this.isSmall=false}BigInteger.prototype=Object.create(Integer.prototype);function SmallInteger(value){this.value=value;this.sign=value<0;this.isSmall=true}SmallInteger.prototype=Object.create(Integer.prototype);function isPrecise(n){return-MAX_INT<n&&n<MAX_INT}function smallToArray(n){if(n<1e7)return[n];if(n<1e14)return[n%1e7,Math.floor(n/1e7)];return[n%1e7,Math.floor(n/1e7)%1e7,Math.floor(n/1e14)]}function arrayToSmall(arr){trim(arr);var length=arr.length;if(length<4&&compareAbs(arr,MAX_INT_ARR)<0){switch(length){case 0:return 0;case 1:return arr[0];case 2:return arr[0]+arr[1]*BASE;default:return arr[0]+(arr[1]+arr[2]*BASE)*BASE}}return arr}function trim(v){var i=v.length;while(v[--i]===0);v.length=i+1}function createArray(length){var x=new Array(length);var i=-1;while(++i<length){x[i]=0}return x}function truncate(n){if(n>0)return Math.floor(n);return Math.ceil(n)}function add(a,b){var l_a=a.length,l_b=b.length,r=new Array(l_a),carry=0,base=BASE,sum,i;for(i=0;i<l_b;i++){sum=a[i]+b[i]+carry;carry=sum>=base?1:0;r[i]=sum-carry*base}while(i<l_a){sum=a[i]+carry;carry=sum===base?1:0;r[i++]=sum-carry*base}if(carry>0)r.push(carry);return r}function addAny(a,b){if(a.length>=b.length)return add(a,b);return add(b,a)}function addSmall(a,carry){var l=a.length,r=new Array(l),base=BASE,sum,i;for(i=0;i<l;i++){sum=a[i]-base+carry;carry=Math.floor(sum/base);r[i]=sum-carry*base;carry+=1}while(carry>0){r[i++]=carry%base;carry=Math.floor(carry/base)}return r}BigInteger.prototype.add=function(v){var n=parseValue(v);if(this.sign!==n.sign){return this.subtract(n.negate())}var a=this.value,b=n.value;if(n.isSmall){return new BigInteger(addSmall(a,Math.abs(b)),this.sign)}return new BigInteger(addAny(a,b),this.sign)};BigInteger.prototype.plus=BigInteger.prototype.add;SmallInteger.prototype.add=function(v){var n=parseValue(v);var a=this.value;if(a<0!==n.sign){return this.subtract(n.negate())}var b=n.value;if(n.isSmall){if(isPrecise(a+b))return new SmallInteger(a+b);b=smallToArray(Math.abs(b))}return new BigInteger(addSmall(b,Math.abs(a)),a<0)};SmallInteger.prototype.plus=SmallInteger.prototype.add;function subtract(a,b){var a_l=a.length,b_l=b.length,r=new Array(a_l),borrow=0,base=BASE,i,difference;for(i=0;i<b_l;i++){difference=a[i]-borrow-b[i];if(difference<0){difference+=base;borrow=1}else borrow=0;r[i]=difference}for(i=b_l;i<a_l;i++){difference=a[i]-borrow;if(difference<0)difference+=base;else{r[i++]=difference;break}r[i]=difference}for(;i<a_l;i++){r[i]=a[i]}trim(r);return r}function subtractAny(a,b,sign){var value;if(compareAbs(a,b)>=0){value=subtract(a,b)}else{value=subtract(b,a);sign=!sign}value=arrayToSmall(value);if(typeof value==="number"){if(sign)value=-value;return new SmallInteger(value)}return new BigInteger(value,sign)}function subtractSmall(a,b,sign){var l=a.length,r=new Array(l),carry=-b,base=BASE,i,difference;for(i=0;i<l;i++){difference=a[i]+carry;carry=Math.floor(difference/base);difference%=base;r[i]=difference<0?difference+base:difference}r=arrayToSmall(r);if(typeof r==="number"){if(sign)r=-r;return new SmallInteger(r)}return new BigInteger(r,sign)}BigInteger.prototype.subtract=function(v){var n=parseValue(v);if(this.sign!==n.sign){return this.add(n.negate())}var a=this.value,b=n.value;if(n.isSmall)return subtractSmall(a,Math.abs(b),this.sign);return subtractAny(a,b,this.sign)};BigInteger.prototype.minus=BigInteger.prototype.subtract;SmallInteger.prototype.subtract=function(v){var n=parseValue(v);var a=this.value;if(a<0!==n.sign){return this.add(n.negate())}var b=n.value;if(n.isSmall){return new SmallInteger(a-b)}return subtractSmall(b,Math.abs(a),a>=0)};SmallInteger.prototype.minus=SmallInteger.prototype.subtract;BigInteger.prototype.negate=function(){return new BigInteger(this.value,!this.sign)};SmallInteger.prototype.negate=function(){var sign=this.sign;var small=new SmallInteger(-this.value);small.sign=!sign;return small};BigInteger.prototype.abs=function(){return new BigInteger(this.value,false)};SmallInteger.prototype.abs=function(){return new SmallInteger(Math.abs(this.value))};function multiplyLong(a,b){var a_l=a.length,b_l=b.length,l=a_l+b_l,r=createArray(l),base=BASE,product,carry,i,a_i,b_j;for(i=0;i<a_l;++i){a_i=a[i];for(var j=0;j<b_l;++j){b_j=b[j];product=a_i*b_j+r[i+j];carry=Math.floor(product/base);r[i+j]=product-carry*base;r[i+j+1]+=carry}}trim(r);return r}function multiplySmall(a,b){var l=a.length,r=new Array(l),base=BASE,carry=0,product,i;for(i=0;i<l;i++){product=a[i]*b+carry;carry=Math.floor(product/base);r[i]=product-carry*base}while(carry>0){r[i++]=carry%base;carry=Math.floor(carry/base)}return r}function shiftLeft(x,n){var r=[];while(n-- >0)r.push(0);return r.concat(x)}function multiplyKaratsuba(x,y){var n=Math.max(x.length,y.length);if(n<=30)return multiplyLong(x,y);n=Math.ceil(n/2);var b=x.slice(n),a=x.slice(0,n),d=y.slice(n),c=y.slice(0,n);var ac=multiplyKaratsuba(a,c),bd=multiplyKaratsuba(b,d),abcd=multiplyKaratsuba(addAny(a,b),addAny(c,d));var product=addAny(addAny(ac,shiftLeft(subtract(subtract(abcd,ac),bd),n)),shiftLeft(bd,2*n));trim(product);return product}function useKaratsuba(l1,l2){return-.012*l1-.012*l2+15e-6*l1*l2>0}BigInteger.prototype.multiply=function(v){var n=parseValue(v),a=this.value,b=n.value,sign=this.sign!==n.sign,abs;if(n.isSmall){if(b===0)return Integer[0];if(b===1)return this;if(b===-1)return this.negate();abs=Math.abs(b);if(abs<BASE){return new BigInteger(multiplySmall(a,abs),sign)}b=smallToArray(abs)}if(useKaratsuba(a.length,b.length))return new BigInteger(multiplyKaratsuba(a,b),sign);return new BigInteger(multiplyLong(a,b),sign)};BigInteger.prototype.times=BigInteger.prototype.multiply;function multiplySmallAndArray(a,b,sign){if(a<BASE){return new BigInteger(multiplySmall(b,a),sign)}return new BigInteger(multiplyLong(b,smallToArray(a)),sign)}SmallInteger.prototype._multiplyBySmall=function(a){if(isPrecise(a.value*this.value)){return new SmallInteger(a.value*this.value)}return multiplySmallAndArray(Math.abs(a.value),smallToArray(Math.abs(this.value)),this.sign!==a.sign)};BigInteger.prototype._multiplyBySmall=function(a){if(a.value===0)return Integer[0];if(a.value===1)return this;if(a.value===-1)return this.negate();return multiplySmallAndArray(Math.abs(a.value),this.value,this.sign!==a.sign)};SmallInteger.prototype.multiply=function(v){return parseValue(v)._multiplyBySmall(this)};SmallInteger.prototype.times=SmallInteger.prototype.multiply;function square(a){var l=a.length,r=createArray(l+l),base=BASE,product,carry,i,a_i,a_j;for(i=0;i<l;i++){a_i=a[i];for(var j=0;j<l;j++){a_j=a[j];product=a_i*a_j+r[i+j];carry=Math.floor(product/base);r[i+j]=product-carry*base;r[i+j+1]+=carry}}trim(r);return r}BigInteger.prototype.square=function(){return new BigInteger(square(this.value),false)};SmallInteger.prototype.square=function(){var value=this.value*this.value;if(isPrecise(value))return new SmallInteger(value);return new BigInteger(square(smallToArray(Math.abs(this.value))),false)};function divMod1(a,b){var a_l=a.length,b_l=b.length,base=BASE,result=createArray(b.length),divisorMostSignificantDigit=b[b_l-1],lambda=Math.ceil(base/(2*divisorMostSignificantDigit)),remainder=multiplySmall(a,lambda),divisor=multiplySmall(b,lambda),quotientDigit,shift,carry,borrow,i,l,q;if(remainder.length<=a_l)remainder.push(0);divisor.push(0);divisorMostSignificantDigit=divisor[b_l-1];for(shift=a_l-b_l;shift>=0;shift--){quotientDigit=base-1;if(remainder[shift+b_l]!==divisorMostSignificantDigit){quotientDigit=Math.floor((remainder[shift+b_l]*base+remainder[shift+b_l-1])/divisorMostSignificantDigit)}carry=0;borrow=0;l=divisor.length;for(i=0;i<l;i++){carry+=quotientDigit*divisor[i];q=Math.floor(carry/base);borrow+=remainder[shift+i]-(carry-q*base);carry=q;if(borrow<0){remainder[shift+i]=borrow+base;borrow=-1}else{remainder[shift+i]=borrow;borrow=0}}while(borrow!==0){quotientDigit-=1;carry=0;for(i=0;i<l;i++){carry+=remainder[shift+i]-base+divisor[i];if(carry<0){remainder[shift+i]=carry+base;carry=0}else{remainder[shift+i]=carry;carry=1}}borrow+=carry}result[shift]=quotientDigit}remainder=divModSmall(remainder,lambda)[0];return[arrayToSmall(result),arrayToSmall(remainder)]}function divMod2(a,b){var a_l=a.length,b_l=b.length,result=[],part=[],base=BASE,guess,xlen,highx,highy,check;while(a_l){part.unshift(a[--a_l]);trim(part);if(compareAbs(part,b)<0){result.push(0);continue}xlen=part.length;highx=part[xlen-1]*base+part[xlen-2];highy=b[b_l-1]*base+b[b_l-2];if(xlen>b_l){highx=(highx+1)*base}guess=Math.ceil(highx/highy);do{check=multiplySmall(b,guess);if(compareAbs(check,part)<=0)break;guess--}while(guess);result.push(guess);part=subtract(part,check)}result.reverse();return[arrayToSmall(result),arrayToSmall(part)]}function divModSmall(value,lambda){var length=value.length,quotient=createArray(length),base=BASE,i,q,remainder,divisor;remainder=0;for(i=length-1;i>=0;--i){divisor=remainder*base+value[i];q=truncate(divisor/lambda);remainder=divisor-q*lambda;quotient[i]=q|0}return[quotient,remainder|0]}function divModAny(self,v){var value,n=parseValue(v);var a=self.value,b=n.value;var quotient;if(b===0)throw new Error("Cannot divide by zero");if(self.isSmall){if(n.isSmall){return[new SmallInteger(truncate(a/b)),new SmallInteger(a%b)]}return[Integer[0],self]}if(n.isSmall){if(b===1)return[self,Integer[0]];if(b==-1)return[self.negate(),Integer[0]];var abs=Math.abs(b);if(abs<BASE){value=divModSmall(a,abs);quotient=arrayToSmall(value[0]);var remainder=value[1];if(self.sign)remainder=-remainder;if(typeof quotient==="number"){if(self.sign!==n.sign)quotient=-quotient;return[new SmallInteger(quotient),new SmallInteger(remainder)]}return[new BigInteger(quotient,self.sign!==n.sign),new SmallInteger(remainder)]}b=smallToArray(abs)}var comparison=compareAbs(a,b);if(comparison===-1)return[Integer[0],self];if(comparison===0)return[Integer[self.sign===n.sign?1:-1],Integer[0]];if(a.length+b.length<=200)value=divMod1(a,b);else value=divMod2(a,b);quotient=value[0];var qSign=self.sign!==n.sign,mod=value[1],mSign=self.sign;if(typeof quotient==="number"){if(qSign)quotient=-quotient;quotient=new SmallInteger(quotient)}else quotient=new BigInteger(quotient,qSign);if(typeof mod==="number"){if(mSign)mod=-mod;mod=new SmallInteger(mod)}else mod=new BigInteger(mod,mSign);return[quotient,mod]}BigInteger.prototype.divmod=function(v){var result=divModAny(this,v);return{quotient:result[0],remainder:result[1]}};SmallInteger.prototype.divmod=BigInteger.prototype.divmod;BigInteger.prototype.divide=function(v){return divModAny(this,v)[0]};SmallInteger.prototype.over=SmallInteger.prototype.divide=BigInteger.prototype.over=BigInteger.prototype.divide;BigInteger.prototype.mod=function(v){return divModAny(this,v)[1]};SmallInteger.prototype.remainder=SmallInteger.prototype.mod=BigInteger.prototype.remainder=BigInteger.prototype.mod;BigInteger.prototype.pow=function(v){var n=parseValue(v),a=this.value,b=n.value,value,x,y;if(b===0)return Integer[1];if(a===0)return Integer[0];if(a===1)return Integer[1];if(a===-1)return n.isEven()?Integer[1]:Integer[-1];if(n.sign){return Integer[0]}if(!n.isSmall)throw new Error("The exponent "+n.toString()+" is too large.");if(this.isSmall){if(isPrecise(value=Math.pow(a,b)))return new SmallInteger(truncate(value))}x=this;y=Integer[1];while(true){if(b&1===1){y=y.times(x);--b}if(b===0)break;b/=2;x=x.square()}return y};SmallInteger.prototype.pow=BigInteger.prototype.pow;BigInteger.prototype.modPow=function(exp,mod){exp=parseValue(exp);mod=parseValue(mod);if(mod.isZero())throw new Error("Cannot take modPow with modulus 0");var r=Integer[1],base=this.mod(mod);while(exp.isPositive()){if(base.isZero())return Integer[0];if(exp.isOdd())r=r.multiply(base).mod(mod);exp=exp.divide(2);base=base.square().mod(mod)}return r};SmallInteger.prototype.modPow=BigInteger.prototype.modPow;function compareAbs(a,b){if(a.length!==b.length){return a.length>b.length?1:-1}for(var i=a.length-1;i>=0;i--){if(a[i]!==b[i])return a[i]>b[i]?1:-1}return 0}BigInteger.prototype.compareAbs=function(v){var n=parseValue(v),a=this.value,b=n.value;if(n.isSmall)return 1;return compareAbs(a,b)};SmallInteger.prototype.compareAbs=function(v){var n=parseValue(v),a=Math.abs(this.value),b=n.value;if(n.isSmall){b=Math.abs(b);return a===b?0:a>b?1:-1}return-1};BigInteger.prototype.compare=function(v){if(v===Infinity){return-1}if(v===-Infinity){return 1}var n=parseValue(v),a=this.value,b=n.value;if(this.sign!==n.sign){return n.sign?1:-1}if(n.isSmall){return this.sign?-1:1}return compareAbs(a,b)*(this.sign?-1:1)};BigInteger.prototype.compareTo=BigInteger.prototype.compare;SmallInteger.prototype.compare=function(v){if(v===Infinity){return-1}if(v===-Infinity){return 1}var n=parseValue(v),a=this.value,b=n.value;if(n.isSmall){return a==b?0:a>b?1:-1}if(a<0!==n.sign){return a<0?-1:1}return a<0?1:-1};SmallInteger.prototype.compareTo=SmallInteger.prototype.compare;BigInteger.prototype.equals=function(v){return this.compare(v)===0};SmallInteger.prototype.eq=SmallInteger.prototype.equals=BigInteger.prototype.eq=BigInteger.prototype.equals;BigInteger.prototype.notEquals=function(v){return this.compare(v)!==0};SmallInteger.prototype.neq=SmallInteger.prototype.notEquals=BigInteger.prototype.neq=BigInteger.prototype.notEquals;BigInteger.prototype.greater=function(v){return this.compare(v)>0};SmallInteger.prototype.gt=SmallInteger.prototype.greater=BigInteger.prototype.gt=BigInteger.prototype.greater;BigInteger.prototype.lesser=function(v){return this.compare(v)<0};SmallInteger.prototype.lt=SmallInteger.prototype.lesser=BigInteger.prototype.lt=BigInteger.prototype.lesser;BigInteger.prototype.greaterOrEquals=function(v){return this.compare(v)>=0};SmallInteger.prototype.geq=SmallInteger.prototype.greaterOrEquals=BigInteger.prototype.geq=BigInteger.prototype.greaterOrEquals;BigInteger.prototype.lesserOrEquals=function(v){return this.compare(v)<=0};SmallInteger.prototype.leq=SmallInteger.prototype.lesserOrEquals=BigInteger.prototype.leq=BigInteger.prototype.lesserOrEquals;BigInteger.prototype.isEven=function(){return(this.value[0]&1)===0};SmallInteger.prototype.isEven=function(){return(this.value&1)===0};BigInteger.prototype.isOdd=function(){return(this.value[0]&1)===1};SmallInteger.prototype.isOdd=function(){return(this.value&1)===1};BigInteger.prototype.isPositive=function(){return!this.sign};SmallInteger.prototype.isPositive=function(){return this.value>0};BigInteger.prototype.isNegative=function(){return this.sign};SmallInteger.prototype.isNegative=function(){return this.value<0};BigInteger.prototype.isUnit=function(){return false};SmallInteger.prototype.isUnit=function(){return Math.abs(this.value)===1};BigInteger.prototype.isZero=function(){return false};SmallInteger.prototype.isZero=function(){return this.value===0};BigInteger.prototype.isDivisibleBy=function(v){var n=parseValue(v);var value=n.value;if(value===0)return false;if(value===1)return true;if(value===2)return this.isEven();return this.mod(n).equals(Integer[0])};SmallInteger.prototype.isDivisibleBy=BigInteger.prototype.isDivisibleBy;function isBasicPrime(v){var n=v.abs();if(n.isUnit())return false;if(n.equals(2)||n.equals(3)||n.equals(5))return true;if(n.isEven()||n.isDivisibleBy(3)||n.isDivisibleBy(5))return false;if(n.lesser(25))return true}BigInteger.prototype.isPrime=function(){var isPrime=isBasicPrime(this);if(isPrime!==undefined)return isPrime;var n=this.abs(),nPrev=n.prev();var a=[2,3,5,7,11,13,17,19],b=nPrev,d,t,i,x;while(b.isEven())b=b.divide(2);for(i=0;i<a.length;i++){x=bigInt(a[i]).modPow(b,n);if(x.equals(Integer[1])||x.equals(nPrev))continue;for(t=true,d=b;t&&d.lesser(nPrev);d=d.multiply(2)){x=x.square().mod(n);if(x.equals(nPrev))t=false}if(t)return false}return true};SmallInteger.prototype.isPrime=BigInteger.prototype.isPrime;BigInteger.prototype.isProbablePrime=function(iterations){var isPrime=isBasicPrime(this);if(isPrime!==undefined)return isPrime;var n=this.abs();var t=iterations===undefined?5:iterations;for(var i=0;i<t;i++){var a=bigInt.randBetween(2,n.minus(2));if(!a.modPow(n.prev(),n).isUnit())return false}return true};SmallInteger.prototype.isProbablePrime=BigInteger.prototype.isProbablePrime;BigInteger.prototype.modInv=function(n){var t=bigInt.zero,newT=bigInt.one,r=parseValue(n),newR=this.abs(),q,lastT,lastR;while(!newR.equals(bigInt.zero)){q=r.divide(newR);lastT=t;lastR=r;t=newT;r=newR;newT=lastT.subtract(q.multiply(newT));newR=lastR.subtract(q.multiply(newR))}if(!r.equals(1))throw new Error(this.toString()+" and "+n.toString()+" are not co-prime");if(t.compare(0)===-1){t=t.add(n)}if(this.isNegative()){return t.negate()}return t};SmallInteger.prototype.modInv=BigInteger.prototype.modInv;BigInteger.prototype.next=function(){var value=this.value;if(this.sign){return subtractSmall(value,1,this.sign)}return new BigInteger(addSmall(value,1),this.sign)};SmallInteger.prototype.next=function(){var value=this.value;if(value+1<MAX_INT)return new SmallInteger(value+1);return new BigInteger(MAX_INT_ARR,false)};BigInteger.prototype.prev=function(){var value=this.value;if(this.sign){return new BigInteger(addSmall(value,1),true)}return subtractSmall(value,1,this.sign)};SmallInteger.prototype.prev=function(){var value=this.value;if(value-1>-MAX_INT)return new SmallInteger(value-1);return new BigInteger(MAX_INT_ARR,true)};var powersOfTwo=[1];while(2*powersOfTwo[powersOfTwo.length-1]<=BASE)powersOfTwo.push(2*powersOfTwo[powersOfTwo.length-1]);var powers2Length=powersOfTwo.length,highestPower2=powersOfTwo[powers2Length-1];function shift_isSmall(n){return(typeof n==="number"||typeof n==="string")&&+Math.abs(n)<=BASE||n instanceof BigInteger&&n.value.length<=1}BigInteger.prototype.shiftLeft=function(n){if(!shift_isSmall(n)){throw new Error(String(n)+" is too large for shifting.")}n=+n;if(n<0)return this.shiftRight(-n);var result=this;while(n>=powers2Length){result=result.multiply(highestPower2);n-=powers2Length-1}return result.multiply(powersOfTwo[n])};SmallInteger.prototype.shiftLeft=BigInteger.prototype.shiftLeft;BigInteger.prototype.shiftRight=function(n){var remQuo;if(!shift_isSmall(n)){throw new Error(String(n)+" is too large for shifting.")}n=+n;if(n<0)return this.shiftLeft(-n);var result=this;while(n>=powers2Length){if(result.isZero())return result;remQuo=divModAny(result,highestPower2);result=remQuo[1].isNegative()?remQuo[0].prev():remQuo[0];n-=powers2Length-1}remQuo=divModAny(result,powersOfTwo[n]);return remQuo[1].isNegative()?remQuo[0].prev():remQuo[0]};SmallInteger.prototype.shiftRight=BigInteger.prototype.shiftRight;function bitwise(x,y,fn){y=parseValue(y);var xSign=x.isNegative(),ySign=y.isNegative();var xRem=xSign?x.not():x,yRem=ySign?y.not():y;var xDigit=0,yDigit=0;var xDivMod=null,yDivMod=null;var result=[];while(!xRem.isZero()||!yRem.isZero()){xDivMod=divModAny(xRem,highestPower2);xDigit=xDivMod[1].toJSNumber();if(xSign){xDigit=highestPower2-1-xDigit}yDivMod=divModAny(yRem,highestPower2);yDigit=yDivMod[1].toJSNumber();if(ySign){yDigit=highestPower2-1-yDigit}xRem=xDivMod[0];yRem=yDivMod[0];result.push(fn(xDigit,yDigit))}var sum=fn(xSign?1:0,ySign?1:0)!==0?bigInt(-1):bigInt(0);for(var i=result.length-1;i>=0;i-=1){sum=sum.multiply(highestPower2).add(bigInt(result[i]))}return sum}BigInteger.prototype.not=function(){return this.negate().prev()};SmallInteger.prototype.not=BigInteger.prototype.not;BigInteger.prototype.and=function(n){return bitwise(this,n,function(a,b){return a&b})};SmallInteger.prototype.and=BigInteger.prototype.and;BigInteger.prototype.or=function(n){return bitwise(this,n,function(a,b){return a|b})};SmallInteger.prototype.or=BigInteger.prototype.or;BigInteger.prototype.xor=function(n){return bitwise(this,n,function(a,b){return a^b})};SmallInteger.prototype.xor=BigInteger.prototype.xor;var LOBMASK_I=1<<30,LOBMASK_BI=(BASE&-BASE)*(BASE&-BASE)|LOBMASK_I;function roughLOB(n){var v=n.value,x=typeof v==="number"?v|LOBMASK_I:v[0]+v[1]*BASE|LOBMASK_BI;return x&-x}function max(a,b){a=parseValue(a);b=parseValue(b);return a.greater(b)?a:b}function min(a,b){a=parseValue(a);b=parseValue(b);return a.lesser(b)?a:b}function gcd(a,b){a=parseValue(a).abs();b=parseValue(b).abs();if(a.equals(b))return a;if(a.isZero())return b;if(b.isZero())return a;var c=Integer[1],d,t;while(a.isEven()&&b.isEven()){d=Math.min(roughLOB(a),roughLOB(b));a=a.divide(d);b=b.divide(d);c=c.multiply(d)}while(a.isEven()){a=a.divide(roughLOB(a))}do{while(b.isEven()){b=b.divide(roughLOB(b))}if(a.greater(b)){t=b;b=a;a=t}b=b.subtract(a)}while(!b.isZero());return c.isUnit()?a:a.multiply(c)}function lcm(a,b){a=parseValue(a).abs();b=parseValue(b).abs();return a.divide(gcd(a,b)).multiply(b)}function randBetween(a,b){a=parseValue(a);b=parseValue(b);var low=min(a,b),high=max(a,b);var range=high.subtract(low).add(1);if(range.isSmall)return low.add(Math.floor(Math.random()*range));var length=range.value.length-1;var result=[],restricted=true;for(var i=length;i>=0;i--){var top=restricted?range.value[i]:BASE;var digit=truncate(Math.random()*top);result.unshift(digit);if(digit<top)restricted=false}result=arrayToSmall(result);return low.add(typeof result==="number"?new SmallInteger(result):new BigInteger(result,false))}var parseBase=function(text,base){var length=text.length;var i;var absBase=Math.abs(base);for(var i=0;i<length;i++){var c=text[i].toLowerCase();if(c==="-")continue;if(/[a-z0-9]/.test(c)){if(/[0-9]/.test(c)&&+c>=absBase){if(c==="1"&&absBase===1)continue;throw new Error(c+" is not a valid digit in base "+base+".")}else if(c.charCodeAt(0)-87>=absBase){throw new Error(c+" is not a valid digit in base "+base+".")}}}if(2<=base&&base<=36){if(length<=LOG_MAX_INT/Math.log(base)){var result=parseInt(text,base);if(isNaN(result)){throw new Error(c+" is not a valid digit in base "+base+".")}return new SmallInteger(parseInt(text,base))}}base=parseValue(base);var digits=[];var isNegative=text[0]==="-";for(i=isNegative?1:0;i<text.length;i++){var c=text[i].toLowerCase(),charCode=c.charCodeAt(0);if(48<=charCode&&charCode<=57)digits.push(parseValue(c));else if(97<=charCode&&charCode<=122)digits.push(parseValue(c.charCodeAt(0)-87));else if(c==="<"){var start=i;do{i++}while(text[i]!==">");digits.push(parseValue(text.slice(start+1,i)))}else throw new Error(c+" is not a valid character")}return parseBaseFromArray(digits,base,isNegative)};function parseBaseFromArray(digits,base,isNegative){var val=Integer[0],pow=Integer[1],i;for(i=digits.length-1;i>=0;i--){val=val.add(digits[i].times(pow));pow=pow.times(base)}return isNegative?val.negate():val}function stringify(digit){var v=digit.value;if(typeof v==="number")v=[v];if(v.length===1&&v[0]<=35){return"0123456789abcdefghijklmnopqrstuvwxyz".charAt(v[0])}return"<"+v+">"}function toBase(n,base){base=bigInt(base);if(base.isZero()){if(n.isZero())return"0";throw new Error("Cannot convert nonzero numbers to base 0.")}if(base.equals(-1)){if(n.isZero())return"0";if(n.isNegative())return new Array(1-n).join("10");return"1"+new Array(+n).join("01")}var minusSign="";if(n.isNegative()&&base.isPositive()){minusSign="-";n=n.abs()}if(base.equals(1)){if(n.isZero())return"0";return minusSign+new Array(+n+1).join(1)}var out=[];var left=n,divmod;while(left.isNegative()||left.compareAbs(base)>=0){divmod=left.divmod(base);left=divmod.quotient;var digit=divmod.remainder;if(digit.isNegative()){digit=base.minus(digit).abs();left=left.next()}out.push(stringify(digit))}out.push(stringify(left));return minusSign+out.reverse().join("")}BigInteger.prototype.toString=function(radix){if(radix===undefined)radix=10;if(radix!==10)return toBase(this,radix);var v=this.value,l=v.length,str=String(v[--l]),zeros="0000000",digit;while(--l>=0){digit=String(v[l]);str+=zeros.slice(digit.length)+digit}var sign=this.sign?"-":"";return sign+str};SmallInteger.prototype.toString=function(radix){if(radix===undefined)radix=10;if(radix!=10)return toBase(this,radix);return String(this.value)};BigInteger.prototype.toJSON=SmallInteger.prototype.toJSON=function(){return this.toString()};BigInteger.prototype.valueOf=function(){return+this.toString()};BigInteger.prototype.toJSNumber=BigInteger.prototype.valueOf;SmallInteger.prototype.valueOf=function(){return this.value};SmallInteger.prototype.toJSNumber=SmallInteger.prototype.valueOf;function parseStringValue(v){if(isPrecise(+v)){var x=+v;if(x===truncate(x))return new SmallInteger(x);throw"Invalid integer: "+v}var sign=v[0]==="-";if(sign)v=v.slice(1);var split=v.split(/e/i);if(split.length>2)throw new Error("Invalid integer: "+split.join("e"));if(split.length===2){var exp=split[1];if(exp[0]==="+")exp=exp.slice(1);exp=+exp;if(exp!==truncate(exp)||!isPrecise(exp))throw new Error("Invalid integer: "+exp+" is not a valid exponent.");var text=split[0];var decimalPlace=text.indexOf(".");if(decimalPlace>=0){exp-=text.length-decimalPlace-1;text=text.slice(0,decimalPlace)+text.slice(decimalPlace+1)}if(exp<0)throw new Error("Cannot include negative exponent part for integers");text+=new Array(exp+1).join("0");v=text}var isValid=/^([0-9][0-9]*)$/.test(v);if(!isValid)throw new Error("Invalid integer: "+v);var r=[],max=v.length,l=LOG_BASE,min=max-l;while(max>0){r.push(+v.slice(min,max));min-=l;if(min<0)min=0;max-=l}trim(r);return new BigInteger(r,sign)}function parseNumberValue(v){if(isPrecise(v)){if(v!==truncate(v))throw new Error(v+" is not an integer.");return new SmallInteger(v)}return parseStringValue(v.toString())}function parseValue(v){if(typeof v==="number"){return parseNumberValue(v)}if(typeof v==="string"){return parseStringValue(v)}return v}for(var i=0;i<1e3;i++){Integer[i]=new SmallInteger(i);if(i>0)Integer[-i]=new SmallInteger(-i)}Integer.one=Integer[1];Integer.zero=Integer[0];Integer.minusOne=Integer[-1];Integer.max=max;Integer.min=min;Integer.gcd=gcd;Integer.lcm=lcm;Integer.isInstance=function(x){return x instanceof BigInteger||x instanceof SmallInteger};Integer.randBetween=randBetween;Integer.fromArray=function(digits,base,isNegative){return parseBaseFromArray(digits.map(parseValue),parseValue(base||10),isNegative)};return Integer}();if(typeof module!=="undefined"&&module.hasOwnProperty("exports")){module.exports=bigInt}if(typeof define==="function"&&define.amd){define("big-integer",[],function(){return bigInt})}; bigInt`

+

+// makeSlice convert an unsafe memory pointer with the given type into a Go byte

+// slice.

+//

+// Note, the returned slice uses the same memory area as the input arguments.

+// If those are duktape stack items, popping them off **will** make the slice

+// contents change.

+func makeSlice(ptr unsafe.Pointer, size uint) []byte {

+ var sl = struct {

+ addr uintptr

+ len int

+ cap int

+ }{uintptr(ptr), int(size), int(size)}

+

+ return *(*[]byte)(unsafe.Pointer(&sl))

+}

+

+// popSlice pops a buffer off the JavaScript stack and returns it as a slice.

+func popSlice(ctx *duktape.Context) []byte {

+ blob := common.CopyBytes(makeSlice(ctx.GetBuffer(-1)))

+ ctx.Pop()

+ return blob

+}

+

+// pushBigInt create a JavaScript BigInteger in the VM.

+func pushBigInt(n *big.Int, ctx *duktape.Context) {

+ ctx.GetGlobalString("bigInt")

+ ctx.PushString(n.String())

+ ctx.Call(1)

+}

+

+// opWrapper provides a JavaScript wrapper around OpCode.

+type opWrapper struct {

+ op vm.OpCode

+}

+

+// pushObject assembles a JSVM object wrapping a swappable opcode and pushes it

+// onto the VM stack.

+func (ow *opWrapper) pushObject(vm *duktape.Context) {

+ obj := vm.PushObject()

+

+ vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushInt(int(ow.op)); return 1 })

+ vm.PutPropString(obj, "toNumber")

+

+ vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushString(ow.op.String()); return 1 })

+ vm.PutPropString(obj, "toString")

+

+ vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushBoolean(ow.op.IsPush()); return 1 })

+ vm.PutPropString(obj, "isPush")

+}

+

+// memoryWrapper provides a JavaScript wrapper around vm.Memory.

+type memoryWrapper struct {

+ memory *vm.Memory

+}

+

+// slice returns the requested range of memory as a byte slice.

+func (mw *memoryWrapper) slice(begin, end int64) []byte {

+ if mw.memory.Len() < int(end) {

+ // TODO(karalabe): We can't js-throw from Go inside duktape inside Go. The Go

+ // runtime goes belly up https://github.com/golang/go/issues/15639.

+ log.Warn("Tracer accessed out of bound memory", "available", mw.memory.Len(), "offset", begin, "size", end-begin)

+ return nil

+ }

+ return mw.memory.Get(begin, end-begin)

+}

+

+// getUint returns the 32 bytes at the specified address interpreted as a uint.

+func (mw *memoryWrapper) getUint(addr int64) *big.Int {

+ if mw.memory.Len() < int(addr)+32 {

+ // TODO(karalabe): We can't js-throw from Go inside duktape inside Go. The Go

+ // runtime goes belly up https://github.com/golang/go/issues/15639.

+ log.Warn("Tracer accessed out of bound memory", "available", mw.memory.Len(), "offset", addr, "size", 32)

+ return new(big.Int)

+ }

+ return new(big.Int).SetBytes(mw.memory.GetPtr(addr, 32))

+}

+

+// pushObject assembles a JSVM object wrapping a swappable memory and pushes it

+// onto the VM stack.

+func (mw *memoryWrapper) pushObject(vm *duktape.Context) {

+ obj := vm.PushObject()

+

+ // Generate the `slice` method which takes two ints and returns a buffer

+ vm.PushGoFunction(func(ctx *duktape.Context) int {

+ blob := mw.slice(int64(ctx.GetInt(-2)), int64(ctx.GetInt(-1)))

+ ctx.Pop2()

+

+ ptr := ctx.PushFixedBuffer(len(blob))

+ copy(makeSlice(ptr, uint(len(blob))), blob)

+ return 1

+ })

+ vm.PutPropString(obj, "slice")

+

+ // Generate the `getUint` method which takes an int and returns a bigint

+ vm.PushGoFunction(func(ctx *duktape.Context) int {

+ offset := int64(ctx.GetInt(-1))

+ ctx.Pop()

+

+ pushBigInt(mw.getUint(offset), ctx)

+ return 1

+ })

+ vm.PutPropString(obj, "getUint")

+}

+

+// stackWrapper provides a JavaScript wrapper around vm.Stack.

+type stackWrapper struct {

+ stack *vm.Stack

+}

+

+// peek returns the nth-from-the-top element of the stack.

+func (sw *stackWrapper) peek(idx int) *big.Int {

+ if len(sw.stack.Data()) <= idx {

+ // TODO(karalabe): We can't js-throw from Go inside duktape inside Go. The Go

+ // runtime goes belly up https://github.com/golang/go/issues/15639.

+ log.Warn("Tracer accessed out of bound stack", "size", len(sw.stack.Data()), "index", idx)

+ return new(big.Int)

+ }

+ return sw.stack.Data()[len(sw.stack.Data())-idx-1]

+}

+

+// pushObject assembles a JSVM object wrapping a swappable stack and pushes it

+// onto the VM stack.

+func (sw *stackWrapper) pushObject(vm *duktape.Context) {

+ obj := vm.PushObject()

+

+ vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushInt(len(sw.stack.Data())); return 1 })

+ vm.PutPropString(obj, "length")

+

+ // Generate the `peek` method which takes an int and returns a bigint

+ vm.PushGoFunction(func(ctx *duktape.Context) int {

+ offset := ctx.GetInt(-1)

+ ctx.Pop()

+

+ pushBigInt(sw.peek(offset), ctx)

+ return 1

+ })

+ vm.PutPropString(obj, "peek")

+}

+

+// dbWrapper provides a JavaScript wrapper around vm.Database.

+type dbWrapper struct {

+ db vm.StateDB

+}

+

+// pushObject assembles a JSVM object wrapping a swappable database and pushes it

+// onto the VM stack.

+func (dw *dbWrapper) pushObject(vm *duktape.Context) {

+ obj := vm.PushObject()

+

+ // Push the wrapper for statedb.GetBalance

+ vm.PushGoFunction(func(ctx *duktape.Context) int {

+ pushBigInt(dw.db.GetBalance(common.BytesToAddress(popSlice(ctx))), ctx)

+ return 1

+ })

+ vm.PutPropString(obj, "getBalance")

+

+ // Push the wrapper for statedb.GetNonce

+ vm.PushGoFunction(func(ctx *duktape.Context) int {

+ ctx.PushInt(int(dw.db.GetNonce(common.BytesToAddress(popSlice(ctx)))))

+ return 1

+ })

+ vm.PutPropString(obj, "getNonce")

+

+ // Push the wrapper for statedb.GetCode

+ vm.PushGoFunction(func(ctx *duktape.Context) int {

+ code := dw.db.GetCode(common.BytesToAddress(popSlice(ctx)))

+

+ ptr := ctx.PushFixedBuffer(len(code))

+ copy(makeSlice(ptr, uint(len(code))), code)

+ return 1

+ })

+ vm.PutPropString(obj, "getCode")

+

+ // Push the wrapper for statedb.GetState

+ vm.PushGoFunction(func(ctx *duktape.Context) int {

+ hash := popSlice(ctx)

+ addr := popSlice(ctx)

+

+ state := dw.db.GetState(common.BytesToAddress(addr), common.BytesToHash(hash))

+

+ ptr := ctx.PushFixedBuffer(len(state))

+ copy(makeSlice(ptr, uint(len(state))), state[:])

+ return 1

+ })

+ vm.PutPropString(obj, "getState")

+

+ // Push the wrapper for statedb.Exists

+ vm.PushGoFunction(func(ctx *duktape.Context) int {

+ ctx.PushBoolean(dw.db.Exist(common.BytesToAddress(popSlice(ctx))))

+ return 1

+ })

+ vm.PutPropString(obj, "exists")

+}

+

+// contractWrapper provides a JavaScript wrapper around vm.Contract

+type contractWrapper struct {

+ contract *vm.Contract

+}

+

+// pushObject assembles a JSVM object wrapping a swappable contract and pushes it

+// onto the VM stack.

+func (cw *contractWrapper) pushObject(vm *duktape.Context) {

+ obj := vm.PushObject()

+

+ // Push the wrapper for contract.Caller

+ vm.PushGoFunction(func(ctx *duktape.Context) int {

+ ptr := ctx.PushFixedBuffer(20)

+ copy(makeSlice(ptr, 20), cw.contract.Caller().Bytes())

+ return 1

+ })

+ vm.PutPropString(obj, "getCaller")

+

+ // Push the wrapper for contract.Address

+ vm.PushGoFunction(func(ctx *duktape.Context) int {

+ ptr := ctx.PushFixedBuffer(20)

+ copy(makeSlice(ptr, 20), cw.contract.Address().Bytes())

+ return 1

+ })

+ vm.PutPropString(obj, "getAddress")

+

+ // Push the wrapper for contract.Value

+ vm.PushGoFunction(func(ctx *duktape.Context) int {

+ pushBigInt(cw.contract.Value(), ctx)

+ return 1

+ })

+ vm.PutPropString(obj, "getValue")

+

+ // Push the wrapper for contract.Input

+ vm.PushGoFunction(func(ctx *duktape.Context) int {

+ blob := cw.contract.Input

+

+ ptr := ctx.PushFixedBuffer(len(blob))

+ copy(makeSlice(ptr, uint(len(blob))), blob)

+ return 1

+ })

+ vm.PutPropString(obj, "getInput")

+}

+

+// Tracer provides an implementation of Tracer that evaluates a Javascript

+// function for each VM execution step.

+type Tracer struct {

+ inited bool // Flag whether the context was already inited from the EVM

+

+ vm *duktape.Context // Javascript VM instance

+

+ tracerObject int // Stack index of the tracer JavaScript object

+ stateObject int // Stack index of the global state to pull arguments from

+

+ opWrapper *opWrapper // Wrapper around the VM opcode

+ stackWrapper *stackWrapper // Wrapper around the VM stack

+ memoryWrapper *memoryWrapper // Wrapper around the VM memory

+ contractWrapper *contractWrapper // Wrapper around the contract object

+ dbWrapper *dbWrapper // Wrapper around the VM environment

+

+ pcValue *uint // Swappable pc value wrapped by a log accessor

+ gasValue *uint // Swappable gas value wrapped by a log accessor

+ costValue *uint // Swappable cost value wrapped by a log accessor

+ depthValue *uint // Swappable depth value wrapped by a log accessor

+ errorValue *string // Swappable error value wrapped by a log accessor

+ refundValue *uint // Swappable refund value wrapped by a log accessor

+

+ ctx map[string]interface{} // Transaction context gathered throughout execution

+ err error // Error, if one has occurred

+

+ interrupt uint32 // Atomic flag to signal execution interruption

+ reason error // Textual reason for the interruption

+}

+

+// New instantiates a new tracer instance. code specifies a Javascript snippet,

+// which must evaluate to an expression returning an object with 'step', 'fault'

+// and 'result' functions.

+func New(code string) (*Tracer, error) {

+ // Resolve any tracers by name and assemble the tracer object

+ if tracer, ok := tracer(code); ok {

+ code = tracer

+ }

+ tracer := &Tracer{

+ vm: duktape.New(),

+ ctx: make(map[string]interface{}),

+ opWrapper: new(opWrapper),

+ stackWrapper: new(stackWrapper),

+ memoryWrapper: new(memoryWrapper),

+ contractWrapper: new(contractWrapper),

+ dbWrapper: new(dbWrapper),

+ pcValue: new(uint),

+ gasValue: new(uint),

+ costValue: new(uint),

+ depthValue: new(uint),

+ refundValue: new(uint),

+ }

+ // Set up builtins for this environment

+ tracer.vm.PushGlobalGoFunction("toHex", func(ctx *duktape.Context) int {

+ ctx.PushString(hexutil.Encode(popSlice(ctx)))

+ return 1

+ })

+ tracer.vm.PushGlobalGoFunction("toWord", func(ctx *duktape.Context) int {

+ var word common.Hash

+ if ptr, size := ctx.GetBuffer(-1); ptr != nil {

+ word = common.BytesToHash(makeSlice(ptr, size))

+ } else {

+ word = common.HexToHash(ctx.GetString(-1))

+ }

+ ctx.Pop()

+ copy(makeSlice(ctx.PushFixedBuffer(32), 32), word[:])

+ return 1

+ })

+ tracer.vm.PushGlobalGoFunction("toAddress", func(ctx *duktape.Context) int {

+ var addr common.Address

+ if ptr, size := ctx.GetBuffer(-1); ptr != nil {

+ addr = common.BytesToAddress(makeSlice(ptr, size))

+ } else {

+ addr = common.HexToAddress(ctx.GetString(-1))

+ }

+ ctx.Pop()

+ copy(makeSlice(ctx.PushFixedBuffer(20), 20), addr[:])

+ return 1

+ })

+ tracer.vm.PushGlobalGoFunction("toContract", func(ctx *duktape.Context) int {

+ var from common.Address

+ if ptr, size := ctx.GetBuffer(-2); ptr != nil {

+ from = common.BytesToAddress(makeSlice(ptr, size))

+ } else {

+ from = common.HexToAddress(ctx.GetString(-2))

+ }

+ nonce := uint64(ctx.GetInt(-1))

+ ctx.Pop2()

+

+ contract := crypto.CreateAddress(from, nonce)

+ copy(makeSlice(ctx.PushFixedBuffer(20), 20), contract[:])

+ return 1

+ })

+ tracer.vm.PushGlobalGoFunction("toContract2", func(ctx *duktape.Context) int {

+ var from common.Address

+ if ptr, size := ctx.GetBuffer(-3); ptr != nil {

+ from = common.BytesToAddress(makeSlice(ptr, size))

+ } else {

+ from = common.HexToAddress(ctx.GetString(-3))

+ }

+ // Retrieve salt hex string from js stack

+ salt := common.HexToHash(ctx.GetString(-2))

+ // Retrieve code slice from js stack

+ var code []byte

+ if ptr, size := ctx.GetBuffer(-1); ptr != nil {

+ code = common.CopyBytes(makeSlice(ptr, size))

+ } else {

+ code = common.FromHex(ctx.GetString(-1))

+ }

+ codeHash := crypto.Keccak256(code)

+ ctx.Pop3()

+ contract := crypto.CreateAddress2(from, salt, codeHash)

+ copy(makeSlice(ctx.PushFixedBuffer(20), 20), contract[:])

+ return 1

+ })

+ tracer.vm.PushGlobalGoFunction("isPrecompiled", func(ctx *duktape.Context) int {

+ _, ok := vm.PrecompiledContractsIstanbul[common.BytesToAddress(popSlice(ctx))]

+ ctx.PushBoolean(ok)

+ return 1

+ })

+ tracer.vm.PushGlobalGoFunction("slice", func(ctx *duktape.Context) int {

+ start, end := ctx.GetInt(-2), ctx.GetInt(-1)

+ ctx.Pop2()

+

+ blob := popSlice(ctx)

+ size := end - start

+

+ if start < 0 || start > end || end > len(blob) {

+ // TODO(karalabe): We can't js-throw from Go inside duktape inside Go. The Go

+ // runtime goes belly up https://github.com/golang/go/issues/15639.

+ log.Warn("Tracer accessed out of bound memory", "available", len(blob), "offset", start, "size", size)

+ ctx.PushFixedBuffer(0)

+ return 1

+ }

+ copy(makeSlice(ctx.PushFixedBuffer(size), uint(size)), blob[start:end])

+ return 1

+ })

+ // Push the JavaScript tracer as object #0 onto the JSVM stack and validate it

+ if err := tracer.vm.PevalString("(" + code + ")"); err != nil {

+ log.Warn("Failed to compile tracer", "err", err)

+ return nil, err

+ }

+ tracer.tracerObject = 0 // yeah, nice, eval can't return the index itself

+

+ if !tracer.vm.GetPropString(tracer.tracerObject, "step") {

+ return nil, fmt.Errorf("Trace object must expose a function step()")

+ }

+ tracer.vm.Pop()

+

+ if !tracer.vm.GetPropString(tracer.tracerObject, "fault") {

+ return nil, fmt.Errorf("Trace object must expose a function fault()")

+ }

+ tracer.vm.Pop()

+

+ if !tracer.vm.GetPropString(tracer.tracerObject, "result") {

+ return nil, fmt.Errorf("Trace object must expose a function result()")

+ }

+ tracer.vm.Pop()

+

+ // Tracer is valid, inject the big int library to access large numbers

+ tracer.vm.EvalString(bigIntegerJS)

+ tracer.vm.PutGlobalString("bigInt")

+

+ // Push the global environment state as object #1 into the JSVM stack

+ tracer.stateObject = tracer.vm.PushObject()

+

+ logObject := tracer.vm.PushObject()

+

+ tracer.opWrapper.pushObject(tracer.vm)

+ tracer.vm.PutPropString(logObject, "op")

+

+ tracer.stackWrapper.pushObject(tracer.vm)

+ tracer.vm.PutPropString(logObject, "stack")

+

+ tracer.memoryWrapper.pushObject(tracer.vm)

+ tracer.vm.PutPropString(logObject, "memory")

+

+ tracer.contractWrapper.pushObject(tracer.vm)

+ tracer.vm.PutPropString(logObject, "contract")

+

+ tracer.vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushUint(*tracer.pcValue); return 1 })

+ tracer.vm.PutPropString(logObject, "getPC")

+

+ tracer.vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushUint(*tracer.gasValue); return 1 })

+ tracer.vm.PutPropString(logObject, "getGas")

+

+ tracer.vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushUint(*tracer.costValue); return 1 })

+ tracer.vm.PutPropString(logObject, "getCost")

+

+ tracer.vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushUint(*tracer.depthValue); return 1 })

+ tracer.vm.PutPropString(logObject, "getDepth")

+

+ tracer.vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushUint(*tracer.refundValue); return 1 })

+ tracer.vm.PutPropString(logObject, "getRefund")

+

+ tracer.vm.PushGoFunction(func(ctx *duktape.Context) int {

+ if tracer.errorValue != nil {

+ ctx.PushString(*tracer.errorValue)

+ } else {

+ ctx.PushUndefined()

+ }

+ return 1

+ })

+ tracer.vm.PutPropString(logObject, "getError")

+

+ tracer.vm.PutPropString(tracer.stateObject, "log")

+

+ tracer.dbWrapper.pushObject(tracer.vm)

+ tracer.vm.PutPropString(tracer.stateObject, "db")

+

+ return tracer, nil

+}

+

+// Stop terminates execution of the tracer at the first opportune moment.

+func (jst *Tracer) Stop(err error) {

+ jst.reason = err

+ atomic.StoreUint32(&jst.interrupt, 1)

+}

+

+// call executes a method on a JS object, catching any errors, formatting and

+// returning them as error objects.

+func (jst *Tracer) call(method string, args ...string) (json.RawMessage, error) {

+ // Execute the JavaScript call and return any error

+ jst.vm.PushString(method)

+ for _, arg := range args {

+ jst.vm.GetPropString(jst.stateObject, arg)

+ }

+ code := jst.vm.PcallProp(jst.tracerObject, len(args))

+ defer jst.vm.Pop()

+

+ if code != 0 {

+ err := jst.vm.SafeToString(-1)

+ return nil, errors.New(err)

+ }

+ // No error occurred, extract return value and return

+ return json.RawMessage(jst.vm.JsonEncode(-1)), nil

+}

+

+func wrapError(context string, err error) error {

+ return fmt.Errorf("%v in server-side tracer function '%v'", err, context)

+}

+

+// CaptureStart implements the Tracer interface to initialize the tracing operation.

+func (jst *Tracer) CaptureStart(from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) error {

+ jst.ctx["type"] = "CALL"

+ if create {

+ jst.ctx["type"] = "CREATE"

+ }

+ jst.ctx["from"] = from

+ jst.ctx["to"] = to

+ jst.ctx["input"] = input

+ jst.ctx["gas"] = gas

+ jst.ctx["value"] = value

+

+ return nil

+}

+

+// CaptureState implements the Tracer interface to trace a single step of VM execution.

+func (jst *Tracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost uint64, memory *vm.Memory, stack *vm.Stack, contract *vm.Contract, depth int, err error) error {

+ if jst.err == nil {

+ // Initialize the context if it wasn't done yet

+ if !jst.inited {

+ jst.ctx["block"] = env.BlockNumber.Uint64()

+ jst.inited = true

+ }

+ // If tracing was interrupted, set the error and stop

+ if atomic.LoadUint32(&jst.interrupt) > 0 {

+ jst.err = jst.reason

+ return nil

+ }

+ jst.opWrapper.op = op

+ jst.stackWrapper.stack = stack

+ jst.memoryWrapper.memory = memory

+ jst.contractWrapper.contract = contract

+ jst.dbWrapper.db = env.StateDB

+

+ *jst.pcValue = uint(pc)

+ *jst.gasValue = uint(gas)

+ *jst.costValue = uint(cost)

+ *jst.depthValue = uint(depth)

+ *jst.refundValue = uint(env.StateDB.GetRefund())

+

+ jst.errorValue = nil

+ if err != nil {

+ jst.errorValue = new(string)

+ *jst.errorValue = err.Error()

+ }

+ _, err := jst.call("step", "log", "db")

+ if err != nil {

+ jst.err = wrapError("step", err)

+ }

+ }

+ return nil

+}

+

+// CaptureFault implements the Tracer interface to trace an execution fault

+// while running an opcode.

+func (jst *Tracer) CaptureFault(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost uint64, memory *vm.Memory, stack *vm.Stack, contract *vm.Contract, depth int, err error) error {

+ if jst.err == nil {

+ // Apart from the error, everything matches the previous invocation

+ jst.errorValue = new(string)

+ *jst.errorValue = err.Error()

+

+ _, err := jst.call("fault", "log", "db")

+ if err != nil {

+ jst.err = wrapError("fault", err)

+ }

+ }

+ return nil

+}

+

+// CaptureEnd is called after the call finishes to finalize the tracing.

+func (jst *Tracer) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) error {

+ jst.ctx["output"] = output

+ jst.ctx["gasUsed"] = gasUsed

+ jst.ctx["time"] = t.String()

+

+ if err != nil {

+ jst.ctx["error"] = err.Error()

+ }

+ return nil

+}

+

+// GetResult calls the Javascript 'result' function and returns its value, or any accumulated error

+func (jst *Tracer) GetResult() (json.RawMessage, error) {

+ // Transform the context into a JavaScript object and inject into the state

+ obj := jst.vm.PushObject()

+

+ for key, val := range jst.ctx {

+ switch val := val.(type) {

+ case uint64:

+ jst.vm.PushUint(uint(val))

+

+ case string:

+ jst.vm.PushString(val)

+

+ case []byte:

+ ptr := jst.vm.PushFixedBuffer(len(val))

+ copy(makeSlice(ptr, uint(len(val))), val)

+

+ case common.Address:

+ ptr := jst.vm.PushFixedBuffer(20)

+ copy(makeSlice(ptr, 20), val[:])

+

+ case *big.Int:

+ pushBigInt(val, jst.vm)

+

+ default:

+ panic(fmt.Sprintf("unsupported type: %T", val))

+ }

+ jst.vm.PutPropString(obj, key)

+ }

+ jst.vm.PutPropString(jst.stateObject, "ctx")

+

+ // Finalize the trace and return the results

+ result, err := jst.call("result", "ctx", "db")

+ if err != nil {

+ jst.err = wrapError("result", err)

+ }

+ // Clean up the JavaScript environment

+ jst.vm.DestroyHeap()

+ jst.vm.Destroy()

+

+ return result, jst.err

+}

+// Copyright 2017 The go-ethereum Authors

+// This file is part of the go-ethereum library.

+//

+// The go-ethereum library is free software: you can redistribute it and/or modify

+// it under the terms of the GNU Lesser General Public License as published by

+// the Free Software Foundation, either version 3 of the License, or

+// (at your option) any later version.

+//

+// The go-ethereum library is distributed in the hope that it will be useful,

+// but WITHOUT ANY WARRANTY; without even the implied warranty of

+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

+// GNU Lesser General Public License for more details.

+//

+// You should have received a copy of the GNU Lesser General Public License

+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

+

+// Package tracers is a collection of JavaScript transaction tracers.

+package tracers

+

+import (

+ "strings"

+ "unicode"

+

+ "github.com/ava-labs/coreth/eth/tracers/internal/tracers"

+)

+

+// all contains all the built in JavaScript tracers by name.

+var all = make(map[string]string)

+

+// camel converts a snake cased input string into a camel cased output.

+func camel(str string) string {

+ pieces := strings.Split(str, "_")

+ for i := 1; i < len(pieces); i++ {

+ pieces[i] = string(unicode.ToUpper(rune(pieces[i][0]))) + pieces[i][1:]

+ }

+ return strings.Join(pieces, "")

+}

+

+// init retrieves the JavaScript transaction tracers included in go-ethereum.

+func init() {

+ for _, file := range tracers.AssetNames() {

+ name := camel(strings.TrimSuffix(file, ".js"))

+ all[name] = string(tracers.MustAsset(file))

+ }

+}

+

+// tracer retrieves a specific JavaScript tracer by name.

+func tracer(name string) (string, bool) {

+ if tracer, ok := all[name]; ok {

+ return tracer, true

+ }

+ return "", false

+}