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