cosmos-sdk/x/auth/mock/simulate_block.go

111 lines
3.0 KiB
Go

package mock
import (
"testing"
"github.com/cosmos/cosmos-sdk/baseapp"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/auth"
"github.com/stretchr/testify/require"
"github.com/tendermint/tendermint/crypto"
abci "github.com/tendermint/tendermint/abci/types"
)
var chainID = "" // TODO
// set the mock app genesis
func SetGenesis(app *App, accs []auth.Account) {
// pass the accounts in via the application (lazy) instead of through RequestInitChain
app.GenesisAccounts = accs
app.InitChain(abci.RequestInitChain{})
app.Commit()
}
// check an account balance
func CheckBalance(t *testing.T, app *App, addr sdk.Address, exp sdk.Coins) {
ctxCheck := app.BaseApp.NewContext(true, abci.Header{})
res := app.AccountMapper.GetAccount(ctxCheck, addr)
require.Equal(t, exp, res.GetCoins())
}
// generate a signed transaction
func GenTx(msgs []sdk.Msg, accnums []int64, seq []int64, priv ...crypto.PrivKeyEd25519) auth.StdTx {
// make the transaction free
fee := auth.StdFee{
sdk.Coins{sdk.NewCoin("foocoin", 0)},
100000,
}
sigs := make([]auth.StdSignature, len(priv))
memo := "testmemotestmemo"
for i, p := range priv {
sig, err := p.Sign(auth.StdSignBytes(chainID, accnums[i], seq[i], fee, msgs, memo))
if err != nil {
panic(err)
}
sigs[i] = auth.StdSignature{
PubKey: p.PubKey(),
Signature: sig,
AccountNumber: accnums[i],
Sequence: seq[i],
}
}
return auth.NewStdTx(msgs, fee, sigs, memo)
}
// generate a set of signed transactions a msg, that differ only by having the
// sequence numbers incremented between every transaction.
func GenSequenceOfTxs(msgs []sdk.Msg, accnums []int64, initSeqNums []int64, numToGenerate int, priv ...crypto.PrivKeyEd25519) []auth.StdTx {
txs := make([]auth.StdTx, numToGenerate, numToGenerate)
for i := 0; i < numToGenerate; i++ {
txs[i] = GenTx(msgs, accnums, initSeqNums, priv...)
incrementAllSequenceNumbers(initSeqNums)
}
return txs
}
func incrementAllSequenceNumbers(initSeqNums []int64) {
for i := 0; i < len(initSeqNums); i++ {
initSeqNums[i]++
}
}
// check a transaction result
func SignCheck(app *baseapp.BaseApp, msgs []sdk.Msg, accnums []int64, seq []int64, priv ...crypto.PrivKeyEd25519) sdk.Result {
tx := GenTx(msgs, accnums, seq, priv...)
res := app.Check(tx)
return res
}
// simulate a block
func SignCheckDeliver(t *testing.T, app *baseapp.BaseApp, msgs []sdk.Msg, accnums []int64, seq []int64, expPass bool, priv ...crypto.PrivKeyEd25519) sdk.Result {
// Sign the tx
tx := GenTx(msgs, accnums, seq, priv...)
// Run a Check
res := app.Check(tx)
if expPass {
require.Equal(t, sdk.ABCICodeOK, res.Code, res.Log)
} else {
require.NotEqual(t, sdk.ABCICodeOK, res.Code, res.Log)
}
// Simulate a Block
app.BeginBlock(abci.RequestBeginBlock{})
res = app.Deliver(tx)
if expPass {
require.Equal(t, sdk.ABCICodeOK, res.Code, res.Log)
} else {
require.NotEqual(t, sdk.ABCICodeOK, res.Code, res.Log)
}
app.EndBlock(abci.RequestEndBlock{})
app.Commit()
return res
}