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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/keystore/wallet.go
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@ -22,6 +22,7 @@ import (
ethereum "github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
)
// keystoreWallet implements the accounts.Wallet interface for the original
@ -78,11 +79,11 @@ func (w *keystoreWallet) Derive(path accounts.DerivationPath, pin bool) (account
// there is no notion of hierarchical account derivation for plain keystore accounts.
func (w *keystoreWallet) SelfDerive(base accounts.DerivationPath, chain ethereum.ChainStateReader) {}
// SignHash implements accounts.Wallet, attempting to sign the given hash with
// signHash attempts to sign the given hash with
// the given account. If the wallet does not wrap this particular account, an
// error is returned to avoid account leakage (even though in theory we may be
// able to sign via our shared keystore backend).
func (w *keystoreWallet) SignHash(account accounts.Account, hash []byte) ([]byte, error) {
func (w *keystoreWallet) signHash(account accounts.Account, hash []byte) ([]byte, error) {
// Make sure the requested account is contained within
if !w.Contains(account) {
return nil, accounts.ErrUnknownAccount
@ -91,6 +92,15 @@ func (w *keystoreWallet) SignHash(account accounts.Account, hash []byte) ([]byte
return w.keystore.SignHash(account, hash)
}
// SignData signs keccak256(data). The mimetype parameter describes the type of data being signed
func (w *keystoreWallet) SignData(account accounts.Account, mimeType string, data []byte) ([]byte, error) {
return w.signHash(account, crypto.Keccak256(data))
}
func (w *keystoreWallet) SignText(account accounts.Account, text []byte) ([]byte, error) {
return w.signHash(account, accounts.TextHash(text))
}
// SignTx implements accounts.Wallet, attempting to sign the given transaction
// with the given account. If the wallet does not wrap this particular account,
// an error is returned to avoid account leakage (even though in theory we may
@ -106,13 +116,13 @@ func (w *keystoreWallet) SignTx(account accounts.Account, tx *types.Transaction,
// SignHashWithPassphrase implements accounts.Wallet, attempting to sign the
// given hash with the given account using passphrase as extra authentication.
func (w *keystoreWallet) SignHashWithPassphrase(account accounts.Account, passphrase string, hash []byte) ([]byte, error) {
func (w *keystoreWallet) SignTextWithPassphrase(account accounts.Account, passphrase string, text []byte) ([]byte, error) {
// Make sure the requested account is contained within
if !w.Contains(account) {
return nil, accounts.ErrUnknownAccount
}
// Account seems valid, request the keystore to sign
return w.keystore.SignHashWithPassphrase(account, passphrase, hash)
return w.keystore.SignHashWithPassphrase(account, passphrase, accounts.TextHash(text))
}
// SignTxWithPassphrase implements accounts.Wallet, attempting to sign the given