86 lines
1.9 KiB
Go
86 lines
1.9 KiB
Go
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// Copyright 2018 Vulcanize
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package parser
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import (
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"github.com/ethereum/go-ethereum/accounts/abi"
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"github.com/vulcanize/vulcanizedb/pkg/geth"
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"github.com/vulcanize/vulcanizedb/pkg/omni/types"
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)
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type Parser interface {
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Parse(contractAddr string) error
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GetAbi() string
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GetParsedAbi() abi.ABI
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GetMethods() map[string]*types.Method
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GetEvents() map[string]*types.Event
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}
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type parser struct {
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client *geth.EtherScanAPI
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abi string
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parsedAbi abi.ABI
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}
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func NewParser(network string) *parser {
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url := geth.GenURL(network)
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return &parser{
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client: geth.NewEtherScanClient(url),
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}
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}
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func (p *parser) GetAbi() string {
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return p.abi
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}
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func (p *parser) GetParsedAbi() abi.ABI {
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return p.parsedAbi
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}
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func (p *parser) Parse(contractAddr string) error {
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abiStr, err := p.client.GetAbi(contractAddr)
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if err != nil {
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return err
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}
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p.abi = abiStr
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p.parsedAbi, err = geth.ParseAbi(abiStr)
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return err
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}
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func (p *parser) GetMethods() map[string]*types.Method {
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methods := map[string]*types.Method{}
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for _, m := range p.parsedAbi.Methods {
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method := types.NewMethod(m)
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methods[m.Name] = method
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}
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return methods
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}
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func (p *parser) GetEvents() map[string]*types.Event {
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events := map[string]*types.Event{}
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for _, e := range p.parsedAbi.Events {
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event := types.NewEvent(e)
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events[e.Name] = event
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}
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return events
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}
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