Chore - add helper script to configure a new testnet parachain

scripts/init-testnet-parachain.sh

@@ -0,0 +1,177 @@
+#!/usr/bin/env bash
+set -exo pipefail
+
+if ! [ -x "$(command -v polkadot-js-api)" ]; then
+  echo 'Error: polkadot-js-api is not installed.'
+  exit 1
+fi
+
+RELAYCHAIN_WSS="${RELAYCHAIN_WSS:-wss://api-testnet.interlay.io/relaychain/}"
+PARACHAIN_WSS="${PARACHAIN_WSS:-wss://api-testnet.interlay.io/parachain/}"
+
+declare -A TOKEN_IDS
+TOKEN_IDS["DOT"]=0
+TOKEN_IDS["INTERBTC"]=1
+TOKEN_IDS["INTR"]=2
+TOKEN_IDS["KSM"]=10
+TOKEN_IDS["KBTC"]=11
+TOKEN_IDS["KINT"]=12
+
+WASM_FILENAME=$1
+GENESIS_FILENAME=$2
+
+if [ -z "${PARACHAIN_SEED}" ]; then
+  echo "Env. PARACHAIN_SEED not set"
+  exit 1
+fi
+
+function setup_parachain {
+  if [ -z "${WASM_FILENAME}" ] || [ ! -f ${WASM_FILENAME:1} ]; then
+    echo "WASM file not set"
+    exit 1
+  fi
+
+  if [ -z "${GENESIS_FILENAME}" ] || [ ! -f ${GENESIS_FILENAME:1} ]; then
+    echo "Genesis file not set"
+    exit 1
+  fi
+
+  # sudoScheduleParaInitialize(id, genesis)
+  polkadot-js-api --ws $RELAYCHAIN_WSS --sudo --seed "//Alice" \
+      tx.parasSudoWrapper.sudoScheduleParaInitialize \
+      2121 \
+      "{ \"genesisHead\":\"${GENESIS_FILENAME?}\", \"validationCode\":\"${WASM_FILENAME?}\", \"parachain\": true }"
+
+  # forceLease(para, leaser, amount, periodBegin, periodCount)
+  polkadot-js-api --ws $RELAYCHAIN_WSS --sudo --seed "//Alice" \
+      tx.slots.forceLease \
+      2121 \
+      5CiPPseXPECbkjWCa6MnjNokrgYjMqmKndv2rSnekmSK2DjL \
+      0 \
+      1 \
+      1000
+}
+
+function setup_foreign_assets {
+  # assetRegistry.registerAsset(metadata, assetId)
+  polkadot-js-api --ws "${PARACHAIN_WSS}" --sudo --seed "${PARACHAIN_SEED}" \
+      tx.assetRegistry.registerAsset \
+      '{
+        "decimals": 6,
+        "name": "Tether USD",
+        "symbol": "USDT", 
+        "existentialDeposit": 0,
+        "location": null,
+        "additional": { "feePerSecond": 8153838, "coingeckoId": "tether" }
+      }' \
+      1
+}
+
+function setup_vault_registry {
+  # TODO
+}
+
+function fund_faucet_account {
+  # Fund the faucet accounts with tokens
+  TOKENS=( "KSM" "KINT" )
+  for T in "${TOKENS[@]}"
+  do
+    polkadot-js-api --ws "${PARACHAIN_WSS}" --sudo --seed "${PARACHAIN_SEED}" \
+        tx.tokens.setBalance \
+        5DqzGaydetDXGya818gyuHA7GAjEWRsQN6UWNKpvfgq2KyM7 \
+        "{ \"Token\": ${TOKEN_IDS[$T]} }" \
+        20000000000000 \
+        0
+  done
+}
+
+function setup_lending_markets {
+  # KSM
+  polkadot-js-api --ws "${PARACHAIN_WSS}" --sudo --seed "${PARACHAIN_SEED}" \
+      tx.loans.addMarket \
+      "{ \"Token\": ${TOKEN_IDS["KSM"]} }" \
+      '{ 
+        "collateralFactor": 540000,
+        "liquidationThreshold": 610000,
+        "reserveFactor": 200000,
+        "closeFactor": 500000,
+        "liquidateIncentive": "1100000000000000000",
+        "liquidateIncentiveReservedFactor": 25000,
+        "rateModel": {
+          "Jump": {
+            "baseRate": 0,
+            "jumpRate": "15000000000000000",
+            "fullRate": "40000000000000000",
+            "jumpUtilization": 900000
+          }
+        },
+        "state": "Active",
+        "supplyCap": "30000000000000000",
+        "borrowCap": "30000000000000000",
+        "lendTokenId": {
+          "LendToken": 0
+        }
+      }'
+
+  # KBTC
+  polkadot-js-api --ws "${PARACHAIN_WSS}" --sudo --seed "${PARACHAIN_SEED}" \
+      tx.loans.addMarket \
+      "{ \"Token\": ${TOKEN_IDS["KBTC"]} }" \
+      '{ 
+        "collateralFactor": 610000,
+        "liquidationThreshold": 650000,
+        "reserveFactor": 200000,
+        "closeFactor": 500000,
+        "liquidateIncentive": "1100000000000000000",
+        "liquidateIncentiveReservedFactor": 25000,
+        "rateModel": {
+          "Jump": {
+            "baseRate": 0,
+            "jumpRate": "5000000000000000",
+            "fullRate": "50000000000000000",
+            "jumpUtilization": 900000
+          }
+        },
+        "state": "Active",
+        "supplyCap": "20000000000000",
+        "borrowCap": "20000000000000",
+        "lendTokenId": {
+          "LendToken": 0
+        }
+      }'
+
+
+  # KINT
+  polkadot-js-api --ws "${PARACHAIN_WSS}" --sudo --seed "${PARACHAIN_SEED}" \
+      tx.loans.addMarket \
+      "{ \"Token\": ${TOKEN_IDS["KINT"]} }" \
+      '{ 
+        "collateralFactor": 610000,
+        "liquidationThreshold": 650000,
+        "reserveFactor": 200000,
+        "closeFactor": 500000,
+        "liquidateIncentive": "1100000000000000000",
+        "liquidateIncentiveReservedFactor": 25000,
+        "rateModel": {
+          "Jump": {
+            "baseRate": 0,
+            "jumpRate": "5000000000000000",
+            "fullRate": "50000000000000000",
+            "jumpUtilization": 900000
+          }
+        },
+        "state": "Active",
+        "supplyCap": "20000000000000",
+        "borrowCap": "20000000000000",
+        "lendTokenId": {
+          "LendToken": 0
+        }
+      }'
+}
+
+
+setup_parachain
+setup_foreign_assets
+setup_vault_registry
+fund_faucet_account
+setup_lending_markets