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- // Copyright 2018 The go-ethereum Authors
- // This file is part of the go-ethereum library.
- //
- // The go-ethereum library is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // The go-ethereum library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
- package core
- import (
- "context"
- "encoding/json"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/common/hexutil"
- "github.com/ethereum/go-ethereum/internal/ethapi"
- "github.com/ethereum/go-ethereum/log"
- )
- type AuditLogger struct {
- log log.Logger
- api ExternalAPI
- }
- func (l *AuditLogger) List(ctx context.Context) ([]common.Address, error) {
- l.log.Info("List", "type", "request", "metadata", MetadataFromContext(ctx).String())
- res, e := l.api.List(ctx)
- l.log.Info("List", "type", "response", "data", res)
- return res, e
- }
- func (l *AuditLogger) New(ctx context.Context) (common.Address, error) {
- return l.api.New(ctx)
- }
- func (l *AuditLogger) SignTransaction(ctx context.Context, args SendTxArgs, methodSelector *string) (*ethapi.SignTransactionResult, error) {
- sel := "<nil>"
- if methodSelector != nil {
- sel = *methodSelector
- }
- l.log.Info("SignTransaction", "type", "request", "metadata", MetadataFromContext(ctx).String(),
- "tx", args.String(),
- "methodSelector", sel)
- res, e := l.api.SignTransaction(ctx, args, methodSelector)
- if res != nil {
- l.log.Info("SignTransaction", "type", "response", "data", common.Bytes2Hex(res.Raw), "error", e)
- } else {
- l.log.Info("SignTransaction", "type", "response", "data", res, "error", e)
- }
- return res, e
- }
- func (l *AuditLogger) SignData(ctx context.Context, contentType string, addr common.MixedcaseAddress, data interface{}) (hexutil.Bytes, error) {
- marshalledData, _ := json.Marshal(data) // can ignore error, marshalling what we just unmarshalled
- l.log.Info("SignData", "type", "request", "metadata", MetadataFromContext(ctx).String(),
- "addr", addr.String(), "data", marshalledData, "content-type", contentType)
- b, e := l.api.SignData(ctx, contentType, addr, data)
- l.log.Info("SignData", "type", "response", "data", common.Bytes2Hex(b), "error", e)
- return b, e
- }
- func (l *AuditLogger) SignGnosisSafeTx(ctx context.Context, addr common.MixedcaseAddress, gnosisTx GnosisSafeTx, methodSelector *string) (*GnosisSafeTx, error) {
- sel := "<nil>"
- if methodSelector != nil {
- sel = *methodSelector
- }
- data, _ := json.Marshal(gnosisTx) // can ignore error, marshalling what we just unmarshalled
- l.log.Info("SignGnosisSafeTx", "type", "request", "metadata", MetadataFromContext(ctx).String(),
- "addr", addr.String(), "data", string(data), "selector", sel)
- res, e := l.api.SignGnosisSafeTx(ctx, addr, gnosisTx, methodSelector)
- if res != nil {
- data, _ := json.Marshal(res) // can ignore error, marshalling what we just unmarshalled
- l.log.Info("SignGnosisSafeTx", "type", "response", "data", string(data), "error", e)
- } else {
- l.log.Info("SignGnosisSafeTx", "type", "response", "data", res, "error", e)
- }
- return res, e
- }
- func (l *AuditLogger) SignTypedData(ctx context.Context, addr common.MixedcaseAddress, data TypedData) (hexutil.Bytes, error) {
- l.log.Info("SignTypedData", "type", "request", "metadata", MetadataFromContext(ctx).String(),
- "addr", addr.String(), "data", data)
- b, e := l.api.SignTypedData(ctx, addr, data)
- l.log.Info("SignTypedData", "type", "response", "data", common.Bytes2Hex(b), "error", e)
- return b, e
- }
- func (l *AuditLogger) EcRecover(ctx context.Context, data hexutil.Bytes, sig hexutil.Bytes) (common.Address, error) {
- l.log.Info("EcRecover", "type", "request", "metadata", MetadataFromContext(ctx).String(),
- "data", common.Bytes2Hex(data), "sig", common.Bytes2Hex(sig))
- b, e := l.api.EcRecover(ctx, data, sig)
- l.log.Info("EcRecover", "type", "response", "address", b.String(), "error", e)
- return b, e
- }
- func (l *AuditLogger) Version(ctx context.Context) (string, error) {
- l.log.Info("Version", "type", "request", "metadata", MetadataFromContext(ctx).String())
- data, err := l.api.Version(ctx)
- l.log.Info("Version", "type", "response", "data", data, "error", err)
- return data, err
- }
- func NewAuditLogger(path string, api ExternalAPI) (*AuditLogger, error) {
- l := log.New("api", "signer")
- handler, err := log.FileHandler(path, log.LogfmtFormat())
- if err != nil {
- return nil, err
- }
- l.SetHandler(handler)
- l.Info("Configured", "audit log", path)
- return &AuditLogger{l, api}, nil
- }
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