mirror of
https://github.com/grassrootseconomics/eth-tracker.git
synced 2025-02-23 16:08:42 +01:00
100 lines
2.3 KiB
Go
100 lines
2.3 KiB
Go
package router
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import (
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"context"
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"math/big"
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"github.com/celo-org/celo-blockchain/common"
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"github.com/grassrootseconomics/celo-tracker/pkg/event"
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"github.com/grassrootseconomics/w3-celo"
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)
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type poolSwapHandler struct{}
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const poolSwapEventName = "POOL_SWAP"
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var (
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_ Handler = (*poolSwapHandler)(nil)
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poolSwapEvent = w3.MustNewEvent("Swap(address indexed initiator, address indexed tokenIn, address tokenOut, uint256 amountIn, uint256 amountOut, uint256 fee)")
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poolSwapSig = w3.MustNewFunc("withdraw(address, address, uint256)", "")
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)
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func (h *poolSwapHandler) Name() string {
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return poolSwapEventName
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}
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func (h *poolSwapHandler) SuccessTx(ctx context.Context, tx SuccessTx, pubCB PubCallback) error {
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var (
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initiator common.Address
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tokenIn common.Address
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tokenOut common.Address
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amountIn big.Int
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amountOut big.Int
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fee big.Int
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)
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if err := poolSwapEvent.DecodeArgs(
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tx.Log,
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&initiator,
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&tokenIn,
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&tokenOut,
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&amountIn,
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&amountOut,
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&fee,
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); err != nil {
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return err
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}
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poolSwapEvent := event.Event{
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Index: tx.Log.Index,
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Block: tx.Log.BlockNumber,
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ContractAddress: tx.Log.Address.Hex(),
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Success: true,
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Timestamp: tx.Timestamp,
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TxHash: tx.Log.TxHash.Hex(),
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TxType: poolSwapEventName,
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Payload: map[string]any{
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"initiator": initiator.Hex(),
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"tokenIn": tokenIn.Hex(),
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"tokenOut": tokenOut.Hex(),
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"amountIn": amountIn.String(),
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"amountOut": amountOut.String(),
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"fee": fee.String(),
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},
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}
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return pubCB(ctx, poolSwapEvent)
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}
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func (h *poolSwapHandler) RevertTx(ctx context.Context, tx RevertTx, pubCB PubCallback) error {
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var (
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tokenOut common.Address
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tokenIn common.Address
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amountIn big.Int
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)
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if err := poolSwapSig.DecodeArgs(w3.B(tx.InputData), &tokenOut, &tokenIn, &amountIn); err != nil {
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return err
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}
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poolSwapEvent := event.Event{
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Block: tx.Block,
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ContractAddress: tx.ContractAddress,
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Success: false,
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Timestamp: tx.Timestamp,
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TxHash: tx.TxHash,
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TxType: poolSwapEventName,
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Payload: map[string]any{
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"initiator": tx.From,
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"tokenIn": tokenIn.Hex(),
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"tokenOut": tokenOut.Hex(),
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"amountIn": amountIn.String(),
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"amountOut": "0",
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"fee": "0",
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},
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}
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return pubCB(ctx, poolSwapEvent)
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}
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