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https://github.com/alexgo-io/libbrc20-indexer.git
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31 lines
1010 B
Go
31 lines
1010 B
Go
package indexer
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import (
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"errors"
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"log"
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"github.com/unisat-wallet/libbrc20-indexer/model"
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)
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func (g *BRC20ModuleIndexer) ProcessCommitFunctionDecreaseApproval(moduleInfo *model.BRC20ModuleSwapInfo, f *model.SwapFunctionData) error {
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token := f.Params[0]
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tokenAmtStr := f.Params[1]
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tokenAmt, _ := g.CheckTickVerify(token, tokenAmtStr)
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tokenBalance := moduleInfo.GetUserTokenBalance(token, f.PkScript)
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// fixme: Must use the confirmed amount
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if tokenBalance.SwapAccountBalance.Cmp(tokenAmt) < 0 {
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log.Printf("token[%s] user[%s], balance %s", token, f.Address, tokenBalance)
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return errors.New("decreaseApproval: token balance insufficient")
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}
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// User Real-time Balance Update
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tokenBalance.SwapAccountBalance = tokenBalance.SwapAccountBalance.Sub(tokenAmt)
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tokenBalance.AvailableBalance = tokenBalance.AvailableBalance.Add(tokenAmt)
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log.Printf("pool decreaseApproval [%s] available: %s, swappable: %s", token, tokenBalance.AvailableBalance, tokenBalance.SwapAccountBalance)
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return nil
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}
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