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utils.go
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/
utils.go
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package utils
import (
"github.com/cosmos/cosmos-sdk/client/context"
"github.com/cosmos/cosmos-sdk/client/keys"
sdk "github.com/cosmos/cosmos-sdk/types"
authctx "github.com/cosmos/cosmos-sdk/x/auth/client/context"
)
// SendTx implements a auxiliary handler that facilitates sending a series of
// messages in a signed transaction given a TxContext and a QueryContext. It
// ensures that the account exists, has a proper number and sequence set. In
// addition, it builds and signs a transaction with the supplied messages.
// Finally, it broadcasts the signed transaction to a node.
func SendTx(txCtx authctx.TxContext, cliCtx context.CLIContext, msgs []sdk.Msg) error {
if err := cliCtx.EnsureAccountExists(); err != nil {
return err
}
from, err := cliCtx.GetFromAddress()
if err != nil {
return err
}
// TODO: (ref #1903) Allow for user supplied account number without
// automatically doing a manual lookup.
if txCtx.AccountNumber == 0 {
accNum, err := cliCtx.GetAccountNumber(from)
if err != nil {
return err
}
txCtx = txCtx.WithAccountNumber(accNum)
}
// TODO: (ref #1903) Allow for user supplied account sequence without
// automatically doing a manual lookup.
if txCtx.Sequence == 0 {
accSeq, err := cliCtx.GetAccountSequence(from)
if err != nil {
return err
}
txCtx = txCtx.WithSequence(accSeq)
}
passphrase, err := keys.GetPassphrase(cliCtx.FromAddressName)
if err != nil {
return err
}
// build and sign the transaction
txBytes, err := txCtx.BuildAndSign(cliCtx.FromAddressName, passphrase, msgs)
if err != nil {
return err
}
// broadcast to a Tendermint node
return cliCtx.EnsureBroadcastTx(txBytes)
}