49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
package helpers
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import (
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"math/rand"
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"time"
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"github.com/tendermint/tendermint/crypto"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/auth"
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"github.com/cosmos/cosmos-sdk/x/simulation"
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)
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// SimAppChainID hardcoded chainID for simulation
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const (
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DefaultGenTxGas = 1000000
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SimAppChainID = "simulation-app"
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)
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// GenTx generates a signed mock transaction.
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func GenTx(msgs []sdk.Msg, feeAmt sdk.Coins, gas uint64, chainID string, accnums []uint64, seq []uint64, priv ...crypto.PrivKey) auth.StdTx {
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fee := auth.StdFee{
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Amount: feeAmt,
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Gas: gas,
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}
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sigs := make([]auth.StdSignature, len(priv))
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// create a random length memo
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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memo := simulation.RandStringOfLength(r, simulation.RandIntBetween(r, 0, 100))
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for i, p := range priv {
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// use a empty chainID for ease of testing
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sig, err := p.Sign(auth.StdSignBytes(chainID, accnums[i], seq[i], fee, msgs, memo))
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if err != nil {
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panic(err)
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}
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sigs[i] = auth.StdSignature{
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PubKey: p.PubKey(),
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Signature: sig,
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}
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}
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return auth.NewStdTx(msgs, fee, sigs, memo)
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}
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