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accounts, eth, clique, signer: support for external signer API (#18079)

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* accounts, eth, clique: implement external backend + move sighash calc to backend

* signer: implement account_Version on external API

* accounts/external: enable ipc, add copyright

* accounts, internal, signer: formatting

* node: go fmt

* flags: disallow --dev in combo with --externalsigner

* accounts: remove clique-specific signing method, replace with more generic

* accounts, consensus: formatting + fix error in tests

* signer/core: remove (test-) import cycle

* clique: remove unused import

* accounts: remove CliqueHash and avoid dependency on package crypto

* consensus/clique: unduplicate header encoding
This commit is contained in:
Martin Holst Swende
2019-02-05 11:23:57 +01:00
committed by GitHub
parent 520024dfd6
commit 43e8efe895
17 changed files with 460 additions and 117 deletions
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18
accounts/usbwallet/wallet.go
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@ -29,6 +29,7 @@ import (
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/log"
"github.com/karalabe/hid"
)
@ -495,12 +496,21 @@ func (w *wallet) SelfDerive(base accounts.DerivationPath, chain ethereum.ChainSt
w.deriveChain = chain
}
// SignHash implements accounts.Wallet, however signing arbitrary data is not
// signHash implements accounts.Wallet, however signing arbitrary data is not
// supported for hardware wallets, so this method will always return an error.
func (w *wallet) SignHash(account accounts.Account, hash []byte) ([]byte, error) {
func (w *wallet) signHash(account accounts.Account, hash []byte) ([]byte, error) {
return nil, accounts.ErrNotSupported
}
// SignData signs keccak256(data). The mimetype parameter describes the type of data being signed
func (w *wallet) SignData(account accounts.Account, mimeType string, data []byte) ([]byte, error) {
return w.signHash(account, crypto.Keccak256(data))
}
func (w *wallet) SignText(account accounts.Account, text []byte) ([]byte, error) {
return w.signHash(account, accounts.TextHash(text))
}
// SignTx implements accounts.Wallet. It sends the transaction over to the Ledger
// wallet to request a confirmation from the user. It returns either the signed
// transaction or a failure if the user denied the transaction.
@ -550,8 +560,8 @@ func (w *wallet) SignTx(account accounts.Account, tx *types.Transaction, chainID
// SignHashWithPassphrase implements accounts.Wallet, however signing arbitrary
// data is not supported for Ledger wallets, so this method will always return
// an error.
func (w *wallet) SignHashWithPassphrase(account accounts.Account, passphrase string, hash []byte) ([]byte, error) {
return w.SignHash(account, hash)
func (w *wallet) SignTextWithPassphrase(account accounts.Account, passphrase string, text []byte) ([]byte, error) {
return w.SignText(account, accounts.TextHash(text))
}
// SignTxWithPassphrase implements accounts.Wallet, attempting to sign the given