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fees log

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This commit is contained in:
Jaynti Kanani 2019-10-04 13:50:36 +05:30
parent e92e0a3959
commit 4433db35c2
No known key found for this signature in database
GPG key ID: 4396982C976BAE5E
2 changed files with 73 additions and 32 deletions
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33
core/evm.go
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@ -103,37 +103,6 @@ func Transfer(db vm.StateDB, sender, recipient common.Address, amount *big.Int)
output1 := db.GetBalance(sender)
output2 := db.GetBalance(recipient)
// add tranfer
db.AddLog(&types.Log{
Address: common.HexToAddress("0x0000000000000000000000000000000000001010"),
Topics: []common.Hash{
common.HexToHash("0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"),
sender.Hash(),
recipient.Hash(),
},
Data: common.BytesToHash(amount.Bytes()).Bytes(),
})
dataInputs := []*big.Int{
amount,
input1,
input2,
output1,
output2,
}
var data []byte
for _, v := range dataInputs {
data = append(data, common.LeftPadBytes(v.Bytes(), 32)...)
}
// add transfer log
db.AddLog(&types.Log{
Address: common.HexToAddress("0x0000000000000000000000000000000000001010"),
Topics: []common.Hash{
common.HexToHash("0xe6497e3ee548a3372136af2fcb0696db31fc6cf20260707645068bd3fe97f3c4"),
sender.Hash(),
recipient.Hash(),
},
Data: data,
})
AddTransferLog(db, sender, recipient, amount, input1, input2, output1, output2)
}

72
core/state_transition.go
View file

@ -22,6 +22,7 @@ import (
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/params"
@ -181,6 +182,9 @@ func (st *StateTransition) preCheck() error {
// returning the result including the used gas. It returns an error if failed.
// An error indicates a consensus issue.
func (st *StateTransition) TransitionDb() (ret []byte, usedGas uint64, failed bool, err error) {
input1 := st.state.GetBalance(st.msg.From())
input2 := st.state.GetBalance(st.evm.Coinbase)
if err = st.preCheck(); err != nil {
return
}
@ -224,6 +228,24 @@ func (st *StateTransition) TransitionDb() (ret []byte, usedGas uint64, failed bo
st.refundGas()
st.state.AddBalance(st.evm.Coinbase, new(big.Int).Mul(new(big.Int).SetUint64(st.gasUsed()), st.gasPrice))
amount := new(big.Int).Mul(new(big.Int).SetUint64(st.gasUsed()), st.gasPrice)
output1 := new(big.Int).SetUint64(input1.Uint64())
output2 := new(big.Int).SetUint64(input2.Uint64())
// add transfer log
AddTransferLog(
st.state,
msg.From(),
st.evm.Coinbase,
amount,
input1,
input2,
output1.Sub(output1, amount),
output2.Add(output2, amount),
)
return ret, st.gasUsed(), vmerr != nil, err
}
@ -248,3 +270,53 @@ func (st *StateTransition) refundGas() {
func (st *StateTransition) gasUsed() uint64 {
return st.initialGas - st.gas
}
// AddTransferLog adds transfer log into state
func AddTransferLog(
state vm.StateDB,
sender,
recipient common.Address,
amount,
input1,
input2,
output1,
output2 *big.Int,
) {
// // add tranfer
// db.AddLog(&types.Log{
// Address: common.HexToAddress("0x0000000000000000000000000000000000001010"),
// Topics: []common.Hash{
// common.HexToHash("0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"),
// sender.Hash(),
// recipient.Hash(),
// },
// Data: common.BytesToHash(amount.Bytes()).Bytes(),
// })
dataInputs := []*big.Int{
amount,
input1,
input2,
output1,
output2,
}
var data []byte
for _, v := range dataInputs {
data = append(data, common.LeftPadBytes(v.Bytes(), 32)...)
}
// add transfer log
state.AddLog(&types.Log{
Address: common.HexToAddress("0x0000000000000000000000000000000000001010"),
Topics: []common.Hash{
common.HexToHash("0xe6497e3ee548a3372136af2fcb0696db31fc6cf20260707645068bd3fe97f3c4"),
sender.Hash(),
recipient.Hash(),
},
Data: data,
})
}