Short script to demonstrate feegrant

feegrant.sh

#!/bin/sh

# Stop script execution if an error is encountered
set -o errexit
# Stop script execution if an undefined variable is used
set -o nounset

CHAIN_ID="private"
KEY_NAME="validator"
KEYRING_BACKEND="test"
DEFAULT_FEES="20000utia"
BROADCAST_MODE="block"
DENOM="utia"
CELESTIA_APP_HOME="${HOME}/.celestia-app"
CELESTIA_APP_VERSION=$(celestia-appd version 2>&1)

echo "celestia-app home: ${CELESTIA_APP_HOME}"
echo "celestia-app version: ${CELESTIA_APP_VERSION}"
echo ""

celestia-appd keys add test1

TEST1=$(celestia-appd keys show test1 -a)
VALIDATOR=$(celestia-appd keys show validator -a)

echo "Creating a feegrant..."
celestia-appd tx feegrant grant $VALIDATOR $TEST1 --spend-limit 1000000utia --allowed-messages "/cosmos.bank.v1beta1.MsgSend,/celestia.blob.v1.MsgPayForBlobs" --chain-id $CHAIN_ID --keyring-backend $KEYRING_BACKEND --fees $DEFAULT_FEES --broadcast-mode $BROADCAST_MODE --yes >> output.log
echo "Created a feegrant."

echo "Sending 100000utia from validator to test1..."
celestia-appd tx bank send $VALIDATOR $TEST1 100000utia --from $VALIDATOR --fees $DEFAULT_FEES --chain-id $CHAIN_ID --keyring-backend $KEYRING_BACKEND --broadcast-mode $BROADCAST_MODE --yes >> output.log
echo "Sent."

echo "Querying test1 balance before send tx..."
celestia-appd query bank balances $TEST1 --chain-id $CHAIN_ID --denom $DENOM

echo "Sending 1utia from test1 to validator..."
celestia-appd tx bank send $TEST1 $VALIDATOR 1utia --chain-id $CHAIN_ID --keyring-backend $KEYRING_BACKEND --broadcast-mode $BROADCAST_MODE --yes >> output.log
echo "Sent."

echo "Querying test1 balance after send tx..."
celestia-appd query bank balances $TEST1 --chain-id $CHAIN_ID --denom $DENOM

echo "Querying test1 balance before PFB tx..."
celestia-appd query bank balances $TEST1 --chain-id $CHAIN_ID  --denom $DENOM

echo "Submitting a PFB from test1..."
celestia-appd tx blob pay-for-blob 0x00010203040506070809 0x48656c6c6f2c20576f726c6421 --chain-id $CHAIN_ID --from $TEST1 --keyring-backend $KEYRING_BACKEND --broadcast-mode $BROADCAST_MODE --yes >> output.log
echo "Submitted."

echo "Querying test1 balance after PFB tx..."
celestia-appd query bank balances $TEST1 --chain-id $CHAIN_ID --denom $DENOM

shell

Creating a feegrant...
Created a feegrant.
Sending 100000utia from validator to test1...
Sent.
Querying test1 balance before send tx...
amount: "100000"
denom: utia
Sending 1utia from test1 to validator...
Sent.
Querying test1 balance after send tx...
amount: "99999"
denom: utia
Querying test1 balance before PFB tx...
amount: "99999"
denom: utia
Submitting a PFB from test1...
Submitted.
Querying test1 balance after PFB tx...
amount: "99999"
denom: utia