aboutsummaryrefslogtreecommitdiff
path: root/plugin/evm/service.go
diff options
context:
space:
mode:
authorStephen Buttolph <[email protected]>2020-04-16 11:38:38 -0400
committerGitHub <[email protected]>2020-04-16 11:38:38 -0400
commit6a76dcccc5c5d9686b35595d3f9ab3a6cefd0446 (patch)
tree24ef681a6c846ba58ce2b8db2fa436c10404172b /plugin/evm/service.go
parent756aac82152ba5265f62d234d94a1926cf572b38 (diff)
parent7981c59502a99b6f7938a18b6ae5c3803cf0a794 (diff)
Merge pull request #5 from ava-labs/revert-4-revert-2-plugin
Added the EVM as a plugin
Diffstat (limited to 'plugin/evm/service.go')
-rw-r--r--plugin/evm/service.go122
1 files changed, 122 insertions, 0 deletions
diff --git a/plugin/evm/service.go b/plugin/evm/service.go
new file mode 100644
index 0000000..70135cc
--- /dev/null
+++ b/plugin/evm/service.go
@@ -0,0 +1,122 @@
+// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package evm
+
+import (
+ "context"
+ "crypto/rand"
+ "fmt"
+ "math/big"
+
+ "github.com/ava-labs/coreth"
+
+ "github.com/ava-labs/go-ethereum/common"
+ "github.com/ava-labs/go-ethereum/common/hexutil"
+ "github.com/ava-labs/go-ethereum/core/types"
+ "github.com/ava-labs/go-ethereum/crypto"
+)
+
+const (
+ version = "Athereum 1.0"
+)
+
+// test constants
+const (
+ GenesisTestAddr = "0x751a0b96e1042bee789452ecb20253fba40dbe85"
+ GenesisTestKey = "0xabd71b35d559563fea757f0f5edbde286fb8c043105b15abb7cd57189306d7d1"
+)
+
+// DebugAPI introduces helper functions for debuging
+type DebugAPI struct{ vm *VM }
+
+// SnowmanAPI introduces snowman specific functionality to the evm
+type SnowmanAPI struct{ vm *VM }
+
+// NetAPI offers network related API methods
+type NetAPI struct{ vm *VM }
+
+// NewNetAPI creates a new net API instance.
+func NewNetAPI(vm *VM) *NetAPI { return &NetAPI{vm} }
+
+// Listening returns an indication if the node is listening for network connections.
+func (s *NetAPI) Listening() bool { return true } // always listening
+
+// PeerCount returns the number of connected peers
+func (s *NetAPI) PeerCount() hexutil.Uint { return hexutil.Uint(0) } // TODO: report number of connected peers
+
+// Version returns the current ethereum protocol version.
+func (s *NetAPI) Version() string { return fmt.Sprintf("%d", s.vm.networkID) }
+
+// Web3API offers helper API methods
+type Web3API struct{}
+
+// ClientVersion returns the version of the vm running
+func (s *Web3API) ClientVersion() string { return version }
+
+// Sha3 returns the bytes returned by hashing [input] with Keccak256
+func (s *Web3API) Sha3(input hexutil.Bytes) hexutil.Bytes { return crypto.Keccak256(input) }
+
+// GetAcceptedFrontReply defines the reply that will be sent from the
+// GetAcceptedFront API call
+type GetAcceptedFrontReply struct {
+ Hash common.Hash `json:"hash"`
+ Number *big.Int `json:"number"`
+}
+
+// GetAcceptedFront returns the last accepted block's hash and height
+func (api *SnowmanAPI) GetAcceptedFront(ctx context.Context) (*GetAcceptedFrontReply, error) {
+ blk := api.vm.getLastAccepted().ethBlock
+ return &GetAcceptedFrontReply{
+ Hash: blk.Hash(),
+ Number: blk.Number(),
+ }, nil
+}
+
+// GetGenesisBalance returns the current funds in the genesis
+func (api *DebugAPI) GetGenesisBalance(ctx context.Context) (*hexutil.Big, error) {
+ lastAccepted := api.vm.getLastAccepted()
+ api.vm.ctx.Log.Verbo("Currently accepted block front: %s", lastAccepted.ethBlock.Hash().Hex())
+ state, err := api.vm.chain.BlockState(lastAccepted.ethBlock)
+ if err != nil {
+ return nil, err
+ }
+ return (*hexutil.Big)(state.GetBalance(common.HexToAddress(GenesisTestAddr))), nil
+}
+
+// SpendGenesis funds
+func (api *DebugAPI) SpendGenesis(ctx context.Context, nonce uint64) error {
+ api.vm.ctx.Log.Info("Spending the genesis")
+
+ value := big.NewInt(1000000000000)
+ gasLimit := 21000
+ gasPrice := big.NewInt(1000000000)
+
+ genPrivateKey, err := crypto.HexToECDSA(GenesisTestKey[2:])
+ if err != nil {
+ return err
+ }
+ bob, err := coreth.NewKey(rand.Reader)
+ if err != nil {
+ return err
+ }
+
+ tx := types.NewTransaction(nonce, bob.Address, value, uint64(gasLimit), gasPrice, nil)
+ signedTx, err := types.SignTx(tx, types.NewEIP155Signer(api.vm.chainID), genPrivateKey)
+ if err != nil {
+ return err
+ }
+
+ if err := api.vm.issueRemoteTxs([]*types.Transaction{signedTx}); err != nil {
+ return err
+ }
+
+ return nil
+}
+
+// IssueBlock to the chain
+func (api *DebugAPI) IssueBlock(ctx context.Context) error {
+ api.vm.ctx.Log.Info("Issuing a new block")
+
+ return api.vm.tryBlockGen()
+}