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accounts/abi/bind: allow specifying signer on transactOpts (#21356)

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This commit enables users to specify which signer they want to use while creating their transactOpts.
Previously all contract interactions used the homestead signer. Now a user can specify whether they
want to sign with homestead or EIP155 and specify the chainID which adds another layer of security.

Closes #16484
This commit is contained in:
Marius van der Wijden
2020-12-08 14:44:56 +01:00
committed by GitHub
parent 6a4e730003
commit ed0670cb17
9 changed files with 127 additions and 40 deletions
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6
les/sync_test.go
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@ -80,7 +80,8 @@ func testCheckpointSyncing(t *testing.T, protocol int, syncMode int) {
data := append([]byte{0x19, 0x00}, append(registrarAddr.Bytes(), append([]byte{0, 0, 0, 0, 0, 0, 0, 0}, cp.Hash().Bytes()...)...)...)
sig, _ := crypto.Sign(crypto.Keccak256(data), signerKey)
sig[64] += 27 // Transform V from 0/1 to 27/28 according to the yellow paper
if _, err := server.handler.server.oracle.Contract().RegisterCheckpoint(bind.NewKeyedTransactor(signerKey), cp.SectionIndex, cp.Hash().Bytes(), new(big.Int).Sub(header.Number, big.NewInt(1)), header.ParentHash, [][]byte{sig}); err != nil {
auth, _ := bind.NewKeyedTransactorWithChainID(signerKey, big.NewInt(1337))
if _, err := server.handler.server.oracle.Contract().RegisterCheckpoint(auth, cp.SectionIndex, cp.Hash().Bytes(), new(big.Int).Sub(header.Number, big.NewInt(1)), header.ParentHash, [][]byte{sig}); err != nil {
t.Error("register checkpoint failed", err)
}
server.backend.Commit()
@ -162,7 +163,8 @@ func testMissOracleBackend(t *testing.T, hasCheckpoint bool) {
data := append([]byte{0x19, 0x00}, append(registrarAddr.Bytes(), append([]byte{0, 0, 0, 0, 0, 0, 0, 0}, cp.Hash().Bytes()...)...)...)
sig, _ := crypto.Sign(crypto.Keccak256(data), signerKey)
sig[64] += 27 // Transform V from 0/1 to 27/28 according to the yellow paper
if _, err := server.handler.server.oracle.Contract().RegisterCheckpoint(bind.NewKeyedTransactor(signerKey), cp.SectionIndex, cp.Hash().Bytes(), new(big.Int).Sub(header.Number, big.NewInt(1)), header.ParentHash, [][]byte{sig}); err != nil {
auth, _ := bind.NewKeyedTransactorWithChainID(signerKey, big.NewInt(1337))
if _, err := server.handler.server.oracle.Contract().RegisterCheckpoint(auth, cp.SectionIndex, cp.Hash().Bytes(), new(big.Int).Sub(header.Number, big.NewInt(1)), header.ParentHash, [][]byte{sig}); err != nil {
t.Error("register checkpoint failed", err)
}
server.backend.Commit()