From bf3776a5d5475f9ee35820099debfc49d71ea10c Mon Sep 17 00:00:00 2001
From: Determinant <tederminant@gmail.com>
Date: Fri, 30 Aug 2019 08:02:51 -0400
Subject: ...

---
 coreth.go                |  4 ++++
 examples/counter/main.go | 32 +++++++++++++++++++++-----------
 2 files changed, 25 insertions(+), 11 deletions(-)

diff --git a/coreth.go b/coreth.go
index a972175..03f9adf 100644
--- a/coreth.go
+++ b/coreth.go
@@ -110,6 +110,10 @@ func (self *ETHChain) GetReceiptsByHash(hash common.Hash) types.Receipts {
 	return self.backend.BlockChain().GetReceiptsByHash(hash)
 }
 
+func (self *ETHChain) GetGenesisBlock() *types.Block {
+	return self.backend.BlockChain().Genesis()
+}
+
 type Key struct {
 	Address    common.Address
 	PrivateKey *ecdsa.PrivateKey
diff --git a/examples/counter/main.go b/examples/counter/main.go
index 221291a..724a1f7 100644
--- a/examples/counter/main.go
+++ b/examples/counter/main.go
@@ -3,14 +3,16 @@ package main
 import (
 	"crypto/rand"
 	"encoding/hex"
+	"encoding/json"
 	"fmt"
 	"github.com/ava-labs/coreth"
 	"github.com/ava-labs/coreth/eth"
 	"github.com/ava-labs/go-ethereum/common"
 	"github.com/ava-labs/go-ethereum/common/compiler"
-	"github.com/ava-labs/go-ethereum/common/hexutil"
+	//"github.com/ava-labs/go-ethereum/common/hexutil"
 	"github.com/ava-labs/go-ethereum/core"
 	"github.com/ava-labs/go-ethereum/core/types"
+	"github.com/ava-labs/go-ethereum/crypto"
 	"github.com/ava-labs/go-ethereum/log"
 	"github.com/ava-labs/go-ethereum/params"
 	"go/build"
@@ -48,18 +50,25 @@ func main() {
 	}
 
 	// configure the genesis block
-	genBalance := big.NewInt(100000000000000000)
+	//genBalance := big.NewInt(100000000000000000)
 	genKey, _ := coreth.NewKey(rand.Reader)
 
-	config.Genesis = &core.Genesis{
-		Config:     chainConfig,
-		Nonce:      0,
-		Number:     0,
-		ExtraData:  hexutil.MustDecode("0x00"),
-		GasLimit:   100000000,
-		Difficulty: big.NewInt(0),
-		Alloc:      core.GenesisAlloc{genKey.Address: {Balance: genBalance}},
-	}
+	g := new(core.Genesis)
+	b := `{"config":{"chainId":1,"homesteadBlock":0,"daoForkBlock":0,"daoForkSupport":true,"eip150Block":0,"eip150Hash":"0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0","eip155Block":0,"eip158Block":0,"byzantiumBlock":0,"constantinopleBlock":0,"petersburgBlock":0},"nonce":"0x0","timestamp":"0x0","extraData":"0x00","gasLimit":"0x5f5e100","difficulty":"0x0","mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000","coinbase":"0x0000000000000000000000000000000000000000","alloc":{"751a0b96e1042bee789452ecb20253fba40dbe85":{"balance":"0x16345785d8a0000"}},"number":"0x0","gasUsed":"0x0","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000"}`
+	k := "0xabd71b35d559563fea757f0f5edbde286fb8c043105b15abb7cd57189306d7d1"
+	err := json.Unmarshal([]byte(b), g)
+	config.Genesis = g
+	hk, _ := crypto.HexToECDSA(k[2:])
+	genKey = coreth.NewKeyFromECDSA(hk)
+	//config.Genesis = &core.Genesis{
+	//	Config:     chainConfig,
+	//	Nonce:      0,
+	//	Number:     0,
+	//	ExtraData:  hexutil.MustDecode("0x00"),
+	//	GasLimit:   100000000,
+	//	Difficulty: big.NewInt(0),
+	//	Alloc:      core.GenesisAlloc{genKey.Address: {Balance: genBalance}},
+	//}
 
 	// grab the control of block generation and disable auto uncle
 	config.Miner.ManualMining = true
@@ -84,6 +93,7 @@ func main() {
 
 	blockCount := 0
 	chain := coreth.NewETHChain(&config, nil)
+	log.Info(chain.GetGenesisBlock().Hash().Hex())
 	firstBlock := false
 	var contractAddr common.Address
 	postGen := func(block *types.Block) bool {
-- 
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