32 lines
814 B
Go
32 lines
814 B
Go
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package logic
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import (
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"bytes"
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"errors"
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"github.com/matchsystems/werr"
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"math"
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"mic-wallet/common"
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"mic-wallet/server/repository/entities"
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"time"
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)
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func ValidateNewTransaction(tx *entities.NewTransactionOpts, txHash []byte) error {
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if bytes.Compare(tx.ReceiverPublicKey, tx.SenderPublicKey) == 0 {
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return errors.New("cannot send to yourself")
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}
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valid, err := common.VerifyTransactionSignature(tx.SenderPublicKey, tx.Signature, txHash, tx.CreatedAt)
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if err != nil {
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return werr.Wrapf(err, "failed to verify signature")
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}
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if !valid {
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return errors.New("invalid signature")
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}
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now := time.Now().UTC()
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// Sent data has to be in UTC timezone
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if time.Duration(math.Abs(float64(tx.CreatedAt.Sub(now)))) > time.Minute*1 {
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return errors.New("invalid transaction created_at time")
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}
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return nil
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}
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