78 lines
1.5 KiB
Go
78 lines
1.5 KiB
Go
package filter
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import (
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"context"
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"github.com/celo-org/celo-blockchain/common"
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"github.com/grassrootseconomics/celoutils"
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"github.com/grassrootseconomics/cic-chain-events/internal/pub"
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"github.com/grassrootseconomics/cic-chain-events/pkg/fetch"
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"github.com/grassrootseconomics/w3-celo-patch"
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"github.com/zerodha/logf"
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)
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const (
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registerEventSubject = "CHAIN.register"
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)
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var (
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registerSig = w3.MustNewFunc("register(address)", "")
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)
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type (
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RegisterFilterOpts struct {
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Logg logf.Logger
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Pub *pub.Pub
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}
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RegisterFilter struct {
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logg logf.Logger
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pub *pub.Pub
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}
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)
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func NewRegisterFilter(o RegisterFilterOpts) Filter {
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return &RegisterFilter{
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logg: o.Logg,
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pub: o.Pub,
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}
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}
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func (f *RegisterFilter) Execute(_ context.Context, transaction *fetch.Transaction) (bool, error) {
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if len(transaction.InputData) < 10 {
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return true, nil
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}
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if transaction.InputData[:10] == "0x4420e486" {
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var address common.Address
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if err := registerSig.DecodeArgs(w3.B(transaction.InputData), &address); err != nil {
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return false, err
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}
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addEvent := &pub.MinimalTxInfo{
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Block: transaction.Block.Number,
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ContractAddress: celoutils.ChecksumAddress(transaction.To.Address),
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To: address.Hex(),
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TxHash: transaction.Hash,
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TxIndex: transaction.Index,
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}
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if transaction.Status == 1 {
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addEvent.Success = true
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}
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if err := f.pub.Publish(
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registerEventSubject,
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transaction.Hash,
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addEvent,
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); err != nil {
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return false, err
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}
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return true, nil
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}
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return true, nil
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}
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