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core/types: more easily extensible tx signing (#30372) 

This change makes the code slightly easier for downstream-projects to extend with more signer-types, but if functionalily equivalent to the previous code.
This commit is contained in:
piersy 2024-09-16 07:51:03 +01:00 committed by GitHub
parent 4c4f21293e
commit 03424962f1
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GPG Key ID: B5690EEEBB952194
1 changed files with 21 additions and 15 deletions
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36
core/types/transaction_signing.go
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@ -64,21 +64,24 @@ func MakeSigner(config *params.ChainConfig, blockNumber *big.Int, blockTime uint
// Use this in transaction-handling code where the current block number is unknown. If you
// have the current block number available, use MakeSigner instead.
func LatestSigner(config *params.ChainConfig) Signer {
var signer Signer
if config.ChainID != nil {
if config.CancunTime != nil {
return NewCancunSigner(config.ChainID)
}
if config.LondonBlock != nil {
return NewLondonSigner(config.ChainID)
}
if config.BerlinBlock != nil {
return NewEIP2930Signer(config.ChainID)
}
if config.EIP155Block != nil {
return NewEIP155Signer(config.ChainID)
switch {
case config.CancunTime != nil:
signer = NewCancunSigner(config.ChainID)
case config.LondonBlock != nil:
signer = NewLondonSigner(config.ChainID)
case config.BerlinBlock != nil:
signer = NewEIP2930Signer(config.ChainID)
case config.EIP155Block != nil:
signer = NewEIP155Signer(config.ChainID)
default:
signer = HomesteadSigner{}
}
} else {
signer = HomesteadSigner{}
}
return HomesteadSigner{}
return signer
}
// LatestSignerForChainID returns the 'most permissive' Signer available. Specifically,
@ -89,10 +92,13 @@ func LatestSigner(config *params.ChainConfig) Signer {
// configuration are unknown. If you have a ChainConfig, use LatestSigner instead.
// If you have a ChainConfig and know the current block number, use MakeSigner instead.
func LatestSignerForChainID(chainID *big.Int) Signer {
if chainID == nil {
return HomesteadSigner{}
var signer Signer
if chainID != nil {
signer = NewCancunSigner(chainID)
} else {
signer = HomesteadSigner{}
}
return NewCancunSigner(chainID)
return signer
}
// SignTx signs the transaction using the given signer and private key.