* clef: initial implementation of bidirectional RPC communication for the UI * signer: fix tests to pass + formatting * clef: fix unused import + formatting * signer: gosimple nitpicks
		
			
				
	
	
		
			105 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2018 The go-ethereum Authors
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| // This file is part of go-ethereum.
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| //
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| // go-ethereum is free software: you can redistribute it and/or modify
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| // it under the terms of the GNU 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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| // go-ethereum 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 General Public License for more details.
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| //
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| // You should have received a copy of the GNU General Public License
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| // along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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| 
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| package core
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| 
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| import (
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| 	"context"
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| 
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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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| 
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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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| 
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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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| 
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| 	return res, e
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| }
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| }
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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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