github.com/fibonacci-chain/fbc@v0.0.0-20231124064014-c7636198c1e9/libs/cosmos-sdk/simapp/helpers/test_helpers.go (about)

     1  package helpers
     2  
     3  import (
     4  	"math/rand"
     5  	"time"
     6  
     7  	"github.com/fibonacci-chain/fbc/libs/tendermint/crypto"
     8  
     9  	sdk "github.com/fibonacci-chain/fbc/libs/cosmos-sdk/types"
    10  	"github.com/fibonacci-chain/fbc/libs/cosmos-sdk/x/auth"
    11  	"github.com/fibonacci-chain/fbc/libs/cosmos-sdk/x/simulation"
    12  )
    13  
    14  // SimAppChainID hardcoded chainID for simulation
    15  const (
    16  	DefaultGenTxGas = 1000000
    17  	SimAppChainID   = "simulation-app"
    18  )
    19  
    20  // GenTx generates a signed mock transaction.
    21  func GenTx(msgs []sdk.Msg, feeAmt sdk.Coins, gas uint64, chainID string, accnums []uint64, seq []uint64, priv ...crypto.PrivKey) *auth.StdTx {
    22  	fee := auth.StdFee{
    23  		Amount: feeAmt,
    24  		Gas:    gas,
    25  	}
    26  
    27  	sigs := make([]auth.StdSignature, len(priv))
    28  
    29  	// create a random length memo
    30  	r := rand.New(rand.NewSource(time.Now().UnixNano()))
    31  
    32  	memo := simulation.RandStringOfLength(r, simulation.RandIntBetween(r, 0, 100))
    33  
    34  	for i, p := range priv {
    35  		// use a empty chainID for ease of testing
    36  		sig, err := p.Sign(auth.StdSignBytes(chainID, accnums[i], seq[i], fee, msgs, memo))
    37  		if err != nil {
    38  			panic(err)
    39  		}
    40  
    41  		sigs[i] = auth.StdSignature{
    42  			PubKey:    p.PubKey(),
    43  			Signature: sig,
    44  		}
    45  	}
    46  
    47  	return auth.NewStdTx(msgs, fee, sigs, memo)
    48  }