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// Copyright 2016 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/>.
// Contains all the wrappers from the go-ethereum root package.
package geth
import (
"errors"
"math/big"
ethereum "github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/common"
)
// Subscription represents an event subscription where events are
// delivered on a data channel.
type Subscription struct {
sub ethereum.Subscription
}
// Unsubscribe cancels the sending of events to the data channel
// and closes the error channel.
func (s *Subscription) Unsubscribe() {
s.sub.Unsubscribe()
}
// CallMsg contains parameters for contract calls.
type CallMsg struct {
msg ethereum.CallMsg
}
// NewCallMsg creates an empty contract call parameter list.
func NewCallMsg() *CallMsg {
return new(CallMsg)
}
func (msg *CallMsg) GetFrom() *Address { return &Address{msg.msg.From} }
func (msg *CallMsg) GetGas() int64 { return msg.msg.Gas.Int64() }
func (msg *CallMsg) GetGasPrice() *BigInt { return &BigInt{msg.msg.GasPrice} }
func (msg *CallMsg) GetValue() *BigInt { return &BigInt{msg.msg.Value} }
func (msg *CallMsg) GetData() []byte { return msg.msg.Data }
func (msg *CallMsg) GetTo() *Address {
if to := msg.msg.To; to != nil {
return &Address{*msg.msg.To}
}
return nil
}
func (msg *CallMsg) SetFrom(address *Address) { msg.msg.From = address.address }
func (msg *CallMsg) SetGas(gas int64) { msg.msg.Gas = big.NewInt(gas) }
func (msg *CallMsg) SetGasPrice(price *BigInt) { msg.msg.GasPrice = price.bigint }
func (msg *CallMsg) SetValue(value *BigInt) { msg.msg.Value = value.bigint }
func (msg *CallMsg) SetData(data []byte) { msg.msg.Data = common.CopyBytes(data) }
func (msg *CallMsg) SetTo(address *Address) {
if address == nil {
msg.msg.To = nil
}
msg.msg.To = &address.address
}
// SyncProgress gives progress indications when the node is synchronising with
// the Ethereum network.
type SyncProgress struct {
progress ethereum.SyncProgress
}
func (p *SyncProgress) GetStartingBlock() int64 { return int64(p.progress.StartingBlock) }
func (p *SyncProgress) GetCurrentBlock() int64 { return int64(p.progress.CurrentBlock) }
func (p *SyncProgress) GetHighestBlock() int64 { return int64(p.progress.HighestBlock) }
func (p *SyncProgress) GetPulledStates() int64 { return int64(p.progress.PulledStates) }
func (p *SyncProgress) GetKnownStates() int64 { return int64(p.progress.KnownStates) }
// Topics is a set of topic lists to filter events with.
type Topics struct{ topics [][]common.Hash }
// NewTopics creates a slice of uninitialized Topics.
func NewTopics(size int) *Topics {
return &Topics{
topics: make([][]common.Hash, size),
}
}
// NewTopicsEmpty creates an empty slice of Topics values.
func NewTopicsEmpty() *Topics {
return NewTopics(0)
}
// Size returns the number of topic lists inside the set
func (t *Topics) Size() int {
return len(t.topics)
}
// Get returns the topic list at the given index from the slice.
func (t *Topics) Get(index int) (hashes *Hashes, _ error) {
if index < 0 || index >= len(t.topics) {
return nil, errors.New("index out of bounds")
}
return &Hashes{t.topics[index]}, nil
}
// Set sets the topic list at the given index in the slice.
func (t *Topics) Set(index int, topics *Hashes) error {
if index < 0 || index >= len(t.topics) {
return errors.New("index out of bounds")
}
t.topics[index] = topics.hashes
return nil
}
// Append adds a new topic list to the end of the slice.
func (t *Topics) Append(topics *Hashes) {
t.topics = append(t.topics, topics.hashes)
}
// FilterQuery contains options for contact log filtering.
type FilterQuery struct {
query ethereum.FilterQuery
}
// NewFilterQuery creates an empty filter query for contact log filtering.
func NewFilterQuery() *FilterQuery {
return new(FilterQuery)
}
func (fq *FilterQuery) GetFromBlock() *BigInt { return &BigInt{fq.query.FromBlock} }
func (fq *FilterQuery) GetToBlock() *BigInt { return &BigInt{fq.query.ToBlock} }
func (fq *FilterQuery) GetAddresses() *Addresses { return &Addresses{fq.query.Addresses} }
func (fq *FilterQuery) GetTopics() *Topics { return &Topics{fq.query.Topics} }
func (fq *FilterQuery) SetFromBlock(fromBlock *BigInt) { fq.query.FromBlock = fromBlock.bigint }
func (fq *FilterQuery) SetToBlock(toBlock *BigInt) { fq.query.ToBlock = toBlock.bigint }
func (fq *FilterQuery) SetAddresses(addresses *Addresses) { fq.query.Addresses = addresses.addresses }
func (fq *FilterQuery) SetTopics(topics *Topics) { fq.query.Topics = topics.topics }
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