cardano-docker/scripts/send_ada

#!/bin/bash

source /scripts/functions/check_balance

WALLET=$1
TO_ADDR=$2
SEND_ADA=$3
TIMESTAMP=$(date +%s)

if [ -z "$WALLET" ]; then
    echo "Invalid wallet."
    MISSING_ARG=1
fi

if [ -z "$TO_ADDR" ]; then
    echo "Invalid recipient address."
    MISSING_ARG=1
fi

if [ -z "$SEND_ADA" ]; then
    echo "Missing ADA amount."
    MISSING_ARG=1
fi

if [ -n "$MISSING_ARG" ]; then
    exit
fi

# Check for required files
if [ ! -f "${NODE_PATH}/staking/wallets/${WALLET}/payment.skey" ]; then
    echo "Missing required payment.skey. You need to run \`generate_waller ${WALLET}\` to generate this key."
    MISSING_FILES=1
fi

if [ ! -f "${NODE_PATH}/staking/wallets/${WALLET}/payment.addr" ]; then
    echo "Missing required payment.addr. You need to run \`generate_waller ${WALLET}\` to generate this key."
    MISSING_FILES=1
fi

if [ -n "$MISSING_FILES" ]; then
    exit
fi

cd ${NODE_PATH}/staking/wallets/${WALLET}/
mkdir -p transactions/

# Wait for node to sync
if [[ "${WAIT_FOR_SYNC}" == "True" ]]; then
    wait_for_sync 99.90
fi

cardano-cli query protocol-parameters \
    ${NETWORK_ARGUMENT} --allegra-era \
    --out-file ${NODE_PATH}/staking/protocol.json

ADDRESS=$(cat payment.addr)
SEND_LOVELACE=$(expr ${SEND_ADA} \* 1000000) # Convert ADA to Lovelace
check_balance $SEND_LOVELACE

# Draft transaction
cardano-cli transaction build-raw \
    --tx-in "${UTXO}#${TXIX}" \
    --tx-out ${TO_ADDR}+0 \
    --tx-out ${ADDRESS}+0 \
    --ttl 0 \
    --fee 0 \
    --out-file transactions/tx.${TIMESTAMP}.draft

FEE=$(cardano-cli transaction calculate-min-fee \
    --tx-body-file transactions/tx.${TIMESTAMP}.draft \
    --tx-in-count 1 \
    --tx-out-count 2 \
    ${NETWORK_ARGUMENT} \
    --witness-count 1 \
    --byron-witness-count 0 \
    --protocol-params-file ${NODE_PATH}/staking/protocol.json | tr ' ' '\n' | head -1)

TOTAL_PRICE=$(expr ${FEE} + ${SEND_LOVELACE})

# Find UTXO in address with enough lovelace to do the transaction
check_balance ${TOTAL_PRICE}

# Update slot and TTL
SLOT=$(get_slot)
TTL=$(expr ${SLOT} + 500)

# Display transaction info
REMAINING_AFTER_TX=$(expr ${LOVELACE} - ${TOTAL_PRICE})
echo "Creating transaction"
echo "Current tip Slot: ${SLOT}"
echo "TTL: ${TTL}"
echo ""
echo "$SEND_ADA ADA is ${SEND_LOVELACE} Lovelace"
echo "From wallet: ${WALLET}"
echo "From address: ${ADDRESS}"
echo "To address: ${TO_ADDR}"
echo "Send amount: ${SEND_LOVELACE} Lovelace"
echo "Fee is: ${FEE} Lovelace"
echo "Total amount is: ${TOTAL_PRICE} Lovelace"
echo "Balance after transaction: ${REMAINING_AFTER_TX} Lovelace"

#
# Create the transaction
#
echo "Create transaction"
cardano-cli transaction build-raw \
    --tx-in "${UTXO}#${TXIX}" \
    --tx-out ${TO_ADDR}+${SEND_LOVELACE} \
    --tx-out ${ADDRESS}+${REMAINING_AFTER_TX} \
    --ttl ${TTL} \
    --fee ${FEE} \
    --out-file transactions/tx.${TIMESTAMP}.raw

cardano-cli transaction sign \
    --tx-body-file transactions/tx.${TIMESTAMP}.raw \
    --signing-key-file payment.skey \
    ${NETWORK_ARGUMENT} \
    --out-file transactions/tx.${TIMESTAMP}.signed

# Submit the transaction
read -n 1 -r -s -p $'Press enter to submit the transaction...\n'

echo "Submit transaction"
OUT=$(cardano-cli transaction submit \
    --tx-file transactions/tx.${TIMESTAMP}.signed \
    ${NETWORK_ARGUMENT} 2>&1)

if [[ $OUT =~ "Error" ]]
then
    echo "An error occoured."
    echo ${OUT}
    read
else
    echo "Transaction has been submitted to the blockchain."
    echo ${OUT}
fi