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Parse transaction for bor (#604)

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* checking if it is a bor tx

* ops

* checking if sender is empty bytes

* no need for borSprint var

* fixing lint

* still returning p

* added isBor to slot

* added global var

* got rid of sender check

* ops

* ops two

* lint
This commit is contained in:
Enrique Jose Avila Asapche 2022-08-30 05:51:26 +03:00 committed by GitHub
parent f418be8e50
commit 1a42afe5f2
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1 changed files with 16 additions and 0 deletions
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16
types/txn.go
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@ -96,9 +96,13 @@ type TxSlot struct {
//worstIdx int // Index of the transaction in the worst priority queue (of whatever pook it currently belongs to)
//local bool // Whether transaction has been injected locally (and hence needs priority when mining or proposing a block)
IsBor bool // Wether or not the current parsed transaction is a bor transaction or not
Rlp []byte // TxPool set it to nil after save it to db
}
var emptyHash = make([]byte, 20)
const (
LegacyTxType int = 0
AccessListTxType int = 1
@ -231,12 +235,18 @@ func (ctx *TxParseContext) ParseTransaction(payload []byte, pos int, slot *TxSlo
}
// Next follows the destrination address (if present)
dataPos, dataLen, err = rlp.String(payload, p)
var isEmptyHash bool
if err != nil {
return 0, fmt.Errorf("%w: to len: %s", ErrParseTxn, err)
}
if dataLen != 0 && dataLen != 20 {
return 0, fmt.Errorf("%w: unexpected length of to field: %d", ErrParseTxn, dataLen)
}
if dataLen != 0 {
hashBytes := payload[dataPos+1 : dataPos+dataLen]
isEmptyHash = bytes.Equal(hashBytes, emptyHash)
}
// Only note if To field is empty or not
slot.Creation = dataLen == 0
p = dataPos + dataLen
@ -251,6 +261,11 @@ func (ctx *TxParseContext) ParseTransaction(payload []byte, pos int, slot *TxSlo
return 0, fmt.Errorf("%w: data len: %s", ErrParseTxn, err)
}
slot.DataLen = dataLen
isDataEmpty := dataLen == 0
if isEmptyHash && isDataEmpty && legacy {
slot.IsBor = true
}
// Zero and non-zero bytes are priced differently
slot.DataNonZeroLen = 0
@ -462,6 +477,7 @@ func (ctx *TxParseContext) ParseTransaction(payload []byte, pos int, slot *TxSlo
_, _ = ctx.Keccak2.(io.Reader).Read(ctx.buf[:32])
//take last 20 bytes as address
copy(sender, ctx.buf[12:32])
return p, nil
}