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create-swap.sh
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create-swap.sh
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#!/bin/sh
# Variables
dir="../../../ignored/swap-files/"
tmpDir="../../../ignored/tmp/"
swapScriptFile="${dir}twoWaySwap.plutus" # This is used to create the swap address.
ownerPubKeyFile="../../../ignored/wallets/01Stake.vkey"
swapAddrFile="${dir}twoWaySwap.addr"
swapDatumFile="${dir}swapDatum.json"
beaconRedeemerFile="${dir}twoWayBeaconRedeemer.json"
# Export the swap validator script.
echo "Exporting the swap validator script..."
cardano-swaps scripts two-way swap-script \
--out-file $swapScriptFile
# Create the swap address.
echo "Creating the swap address..."
cardano-cli address build \
--payment-script-file $swapScriptFile \
--stake-verification-key-file $ownerPubKeyFile \
--testnet-magic 1 \
--out-file $swapAddrFile
# Helper beacon variables.
echo "Calculating the beacon names..."
beaconPolicyId=$(cardano-swaps beacon-info two-way policy-id \
--stdout)
pairBeaconName=$(cardano-swaps beacon-info two-way pair-beacon \
--first-asset lovelace \
--second-asset c0f8644a01a6bf5db02f4afe30d604975e63dd274f1098a1738e561d.4f74686572546f6b656e0a \
--stdout)
asset1BeaconName=$(cardano-swaps beacon-info two-way asset-beacon \
--first-asset lovelace \
--stdout)
asset2BeaconName=$(cardano-swaps beacon-info two-way asset-beacon \
--second-asset c0f8644a01a6bf5db02f4afe30d604975e63dd274f1098a1738e561d.4f74686572546f6b656e0a \
--stdout)
pairBeacon="${beaconPolicyId}.${pairBeaconName}"
asset1Beacon="${beaconPolicyId}.${asset1BeaconName}"
asset2Beacon="${beaconPolicyId}.${asset2BeaconName}"
# Get the mint beacon redeemer.
echo "Creating the minting redeemer..."
cardano-swaps beacon-redeemers two-way \
--mint-or-burn \
--out-file $beaconRedeemerFile
# Create the swap datum.
echo "Creating the swap datum..."
cardano-swaps datums two-way \
--first-asset lovelace \
--second-asset c0f8644a01a6bf5db02f4afe30d604975e63dd274f1098a1738e561d.4f74686572546f6b656e0a \
--first-price '1 / 1000000' \
--second-price 2000000 \
--out-file $swapDatumFile
# Create the transaction.
echo "Exporting the current protocol parameters..."
cardano-swaps protocol-params \
--testnet \
--out-file "${tmpDir}protocol.json"
initial_change=$((8179724933))
echo "Building the initial transaction..."
cardano-cli transaction build-raw \
--tx-in ec243b6e5c3a1f7de6a0b0d75bf29247009e92596ac13f67b9176a70dcf96915#2 \
--tx-in d60f1f75bbfc267e47a04282da77821f99d343f8555afe18e70d151733c3ab36#1 \
--tx-out "$(cat ${swapAddrFile}) + 3000000 lovelace + 1 ${pairBeacon} + 1 ${asset1Beacon} + 1 ${asset2Beacon} + 20 c0f8644a01a6bf5db02f4afe30d604975e63dd274f1098a1738e561d.4f74686572546f6b656e0a" \
--tx-out-inline-datum-file $swapDatumFile \
--tx-out "$(cat ../../../ignored/wallets/01.addr) + ${initial_change} lovelace " \
--mint "1 ${pairBeacon} + 1 ${asset1Beacon} + 1 ${asset2Beacon}" \
--mint-tx-in-reference ec243b6e5c3a1f7de6a0b0d75bf29247009e92596ac13f67b9176a70dcf96915#1 \
--mint-plutus-script-v2 \
--mint-reference-tx-in-execution-units "(0,0)" \
--mint-reference-tx-in-redeemer-file $beaconRedeemerFile \
--policy-id "$beaconPolicyId" \
--protocol-params-file "${tmpDir}protocol.json" \
--tx-in-collateral 4cc5755712fee56feabad637acf741bc8c36dda5f3d6695ac6487a77c4a92d76#0 \
--tx-total-collateral 21000000 \
--fee 0 \
--out-file "${tmpDir}tx.body"
echo "Getting the execution units estimations..."
exec_units=$(cardano-swaps evaluate-tx \
--testnet \
--tx-file "${tmpDir}tx.body")
# MAKE SURE THE INDEXES MATCH THE LEXICOGRAPHICAL ORDERING FOR INPUTS AND POLICY IDS.
mint_mem=$(echo "$exec_units" | jq '.result | .[] | select(.validator=="mint:0") | .budget.memory' )
mint_steps=$(echo "$exec_units" | jq '.result | .[] | select(.validator=="mint:0") | .budget.cpu' )
echo "Rebuilding the transaction with proper executions budgets..."
cardano-cli transaction build-raw \
--tx-in ec243b6e5c3a1f7de6a0b0d75bf29247009e92596ac13f67b9176a70dcf96915#2 \
--tx-in d60f1f75bbfc267e47a04282da77821f99d343f8555afe18e70d151733c3ab36#1 \
--tx-out "$(cat ${swapAddrFile}) + 3000000 lovelace + 1 ${pairBeacon} + 1 ${asset1Beacon} + 1 ${asset2Beacon} + 20 c0f8644a01a6bf5db02f4afe30d604975e63dd274f1098a1738e561d.4f74686572546f6b656e0a" \
--tx-out-inline-datum-file $swapDatumFile \
--tx-out "$(cat ../../../ignored/wallets/01.addr) + ${initial_change} lovelace " \
--mint "1 ${pairBeacon} + 1 ${asset1Beacon} + 1 ${asset2Beacon}" \
--mint-tx-in-reference ec243b6e5c3a1f7de6a0b0d75bf29247009e92596ac13f67b9176a70dcf96915#1 \
--mint-plutus-script-v2 \
--mint-reference-tx-in-execution-units "(${mint_steps},${mint_mem})" \
--mint-reference-tx-in-redeemer-file $beaconRedeemerFile \
--policy-id "$beaconPolicyId" \
--protocol-params-file "${tmpDir}protocol.json" \
--tx-in-collateral 4cc5755712fee56feabad637acf741bc8c36dda5f3d6695ac6487a77c4a92d76#0 \
--tx-total-collateral 21000000 \
--fee 0 \
--out-file "${tmpDir}tx.body"
echo "Calculating the required fee..."
calculated_fee=$(cardano-cli transaction calculate-min-fee \
--tx-body-file "${tmpDir}tx.body" \
--testnet-magic 1 \
--protocol-params-file "${tmpDir}protocol.json" \
--tx-in-count 2 \
--tx-out-count 2 \
--witness-count 1 | cut -d' ' -f1)
req_fee=$((calculated_fee+50000)) # Add 0.05 ADA to be safe since the fee must still be updated.
echo "Rebuilding the transaction with proper transaction fee..."
cardano-cli transaction build-raw \
--tx-in ec243b6e5c3a1f7de6a0b0d75bf29247009e92596ac13f67b9176a70dcf96915#2 \
--tx-in d60f1f75bbfc267e47a04282da77821f99d343f8555afe18e70d151733c3ab36#1 \
--tx-out "$(cat ${swapAddrFile}) + 3000000 lovelace + 1 ${pairBeacon} + 1 ${asset1Beacon} + 1 ${asset2Beacon} + 20 c0f8644a01a6bf5db02f4afe30d604975e63dd274f1098a1738e561d.4f74686572546f6b656e0a" \
--tx-out-inline-datum-file $swapDatumFile \
--tx-out "$(cat ../../../ignored/wallets/01.addr) + $((initial_change-req_fee)) lovelace " \
--mint "1 ${pairBeacon} + 1 ${asset1Beacon} + 1 ${asset2Beacon}" \
--mint-tx-in-reference ec243b6e5c3a1f7de6a0b0d75bf29247009e92596ac13f67b9176a70dcf96915#1 \
--mint-plutus-script-v2 \
--mint-reference-tx-in-execution-units "(${mint_steps},${mint_mem})" \
--mint-reference-tx-in-redeemer-file $beaconRedeemerFile \
--policy-id "$beaconPolicyId" \
--protocol-params-file "${tmpDir}protocol.json" \
--tx-in-collateral 4cc5755712fee56feabad637acf741bc8c36dda5f3d6695ac6487a77c4a92d76#0 \
--tx-total-collateral 21000000 \
--fee "$req_fee" \
--out-file "${tmpDir}tx.body"
echo "Signing the transaction..."
cardano-cli transaction sign \
--tx-body-file "${tmpDir}tx.body" \
--signing-key-file ../../../ignored/wallets/01.skey \
--testnet-magic 1 \
--out-file "${tmpDir}tx.signed"
echo "Submitting the transaction..."
cardano-swaps submit \
--testnet \
--tx-file "${tmpDir}tx.signed"