fix build

.gitignore

@@ -13,4 +13,7 @@ docs/
 # Dotenv file
 .env
 
-__pycache__
+__pycache__
+
+.vscode
+temp/

.gitmodules

@@ -1,9 +1,9 @@
 [submodule "lib/forge-std"]
 	path = lib/forge-std
 	url = https://github.com/foundry-rs/forge-std
-[submodule "lib/foundry-devops"]
-	path = lib/foundry-devops
-	url = https://github.com/Cyfrin/foundry-devops
 [submodule "lib/elliptic-curve-solidity"]
 	path = lib/elliptic-curve-solidity
 	url = https://github.com/witnet/elliptic-curve-solidity
+[submodule "lib/openzeppelin-contracts"]
+	path = lib/openzeppelin-contracts
+	url = https://github.com/OpenZeppelin/openzeppelin-contracts

Makefile

@@ -0,0 +1,100 @@
+# https://stackoverflow.com/questions/5377297/how-to-manually-call-another-target-from-a-make-target
+# Determine this makefile's path.
+# Be sure to place this BEFORE `include` directives, if any.
+THIS_FILE := $(lastword $(MAKEFILE_LIST))
+
+# Keys are generated determistically in anvil so they are the same during different runs
+# as long the seed is the same.
+# Some keys and addresses are copy-pasted in file `env-anvil`.
+# https://unix.stackexchange.com/questions/235223/makefile-include-env-file
+include env-anvil
+export $(shell sed 's/=.*//' env-anvil)
+
+RED    := $(shell tput -Txterm setaf 1)
+GREEN  := $(shell tput -Txterm setaf 2)
+YELLOW := $(shell tput -Txterm setaf 3)
+WHITE  := $(shell tput -Txterm setaf 7)
+CYAN   := $(shell tput -Txterm setaf 6)
+RESET  := $(shell tput -Txterm sgr0)
+
+.PHONY: default
+default: help
+
+## Build:
+.PHONY: build
+build: ## Build library.
+	forge build
+
+.PHONY: clean
+clean: ## Clean tempory files. Sometimes forge incorrectly updates its cache. So if there are some strange errors run `make clean`.
+	rm -rf cache
+	rm -rf out
+
+## Work with local anvil:
+.PHONY: start-anvil
+start-anvil: ## Starts anvil with default parameters.
+	anvil
+
+.PHONY: deploy-on-anvil
+deploy-on-anvil: ## Deploy BTCDepositAddressDeriver smart contract on local anvil blockchain.
+	mkdir -p temp
+	forge script \
+		script/Deploy.s.sol:Deploy \
+		--fork-url ${ANVIL_RPC_URL} \
+		--broadcast \
+		--private-key=${ETH_PRIVKEY_0_ANVIL}
+
+.PHONY: set-sample-seed
+set-sample-seed: ## Set sample seed on previously deployed BTCDepositAddressDeriver.
+	BTC_ADDR1=tb1p5z8wl5tu7m0d79vzqqsl9gu0x4fkjug857fusx4fl4kfgwh5j25spa7245 \
+	BTC_ADDR2=tb1pfusykjdt46ktwq03d20uqqf94uh9487344wr3q5v9szzsxnjdfks9apcjz \
+	BTC_NETWORK=0 \
+	forge script \
+		-vvv \
+		script/SetSeed.s.sol:SetSeed \
+		--fork-url ${ANVIL_RPC_URL} \
+		--broadcast \
+		--private-key=${ETH_PRIVKEY_0_ANVIL}
+
+.PHONY: get-sample-btc-address
+get-sample-btc-address: ## Calculates bitcoin address from the sample ethereum address using  previously deployed BTCDepositAddressDeriver.
+	ETH_ADDR=${ETH_ADDR_1_ANVIL} \
+	BTC_ADDR_FILE=./temp/btc.address \
+	forge script -vvv \
+		script/GetBtcAddr.s.sol:GetBtcAddr \
+		--fork-url ${ANVIL_RPC_URL}
+
+## Test:
+.PHONY: test
+test: ## Run unit tests.
+	forge test
+
+.PHONY: test-sample-flow
+test-sample-flow: ## Run integration test that deploys smart contract, set seed and calculate sample bitcoin address. It requires anvil to be running.
+	@$(MAKE) -f $(THIS_FILE) deploy-on-anvil
+	@$(MAKE) -f $(THIS_FILE) set-sample-seed
+	@$(MAKE) -f $(THIS_FILE) get-sample-btc-address
+	if [ `cat ./temp/btc.address` = "tb1pxt2g6ltjvle3wupwzlg9yuqw5rsswvvjg20eegq46l3yx6ekc2psh78607" ]; \
+	then \
+		echo "${GREEN}OK${RESET}"; \
+		exit 0; \
+	else \
+		echo "${RED}ERROR${RESET}"; \
+		exit 1; \
+	fi
+
+.PHONY: test-all
+test-all: test test-sample-flow ## Run unit and integrations tests. It requires anvil to be running.
+
+## Help:
+.PHONY: help
+help: ## Show this help
+	@echo ''
+	@echo 'Usage:'
+	@echo '  ${YELLOW}make${RESET} ${GREEN}<target>${RESET}'
+	@echo ''
+	@echo 'Targets:'
+	@awk 'BEGIN {FS = ":.*?## "} { \
+		if (/^[a-zA-Z0-9_-]+:.*?##.*$$/) {printf "    ${YELLOW}%-25s${GREEN}%s${RESET}\n", $$1, $$2} \
+		else if (/^## .*$$/) {printf "  ${CYAN}%s${RESET}\n", substr($$1,4)} \
+		}' $(MAKEFILE_LIST)

foundry.toml

@@ -1,7 +1,11 @@
 [profile.default]
+solc = "0.8.25"
 src = "src"
 out = "out"
 libs = ["lib"]
-fs_permissions = [{ access = "read", path = "./broadcast" }]
+fs_permissions = [
+    { access = "read", path = "./broadcast" }, 
+    { access = "read-write", path = "./temp" }
+]
 
 # See more config options https://github.com/foundry-rs/foundry/blob/master/crates/config/README.md#all-options

remappings.txt

@@ -0,0 +1,5 @@
+ds-test/=forge-std/lib/ds-test/src/
+elliptic-curve-solidity/=lib/elliptic-curve-solidity/
+forge-std/=lib/forge-std/src/
+foundry-devops/=lib/foundry-devops/
+@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/

script/AddressReaderWriter.s.sol

@@ -0,0 +1,37 @@
+pragma solidity ^0.8.25;
+
+import {Script} from "forge-std/Script.sol";
+import {Tools} from "../src/Tools.sol";
+import {Strings} from "@openzeppelin/contracts/utils/Strings.sol";
+
+contract AddressReaderWriter is Script {
+    function writeContractAddress(
+        string memory contractName,
+        address contractAddress
+    ) public {
+        string memory addressFileName = string.concat(
+            "./temp/",
+            contractName,
+            ".",
+            Strings.toString(block.chainid),
+            ".address"
+        );
+        string memory addressStr = Strings.toHexString(contractAddress);
+        vm.writeFile(addressFileName, addressStr);
+    }
+
+    function readContractAddress(
+        string memory contractName
+    ) public returns (address) {
+        string memory addressFileName = string.concat(
+            "./temp/",
+            contractName,
+            ".",
+            Strings.toString(block.chainid),
+            ".address"
+        );
+        string memory contractAddressStr = vm.readLine(addressFileName);
+        address contractAddress = Tools.toAddress(contractAddressStr);
+        return contractAddress;
+    }
+}

script/Deploy.s.sol

@@ -1,15 +1,20 @@
 // SPDX-LICENSE-IDENTIFIER: MIT
 
-pragma solidity ^0.8.19;
+pragma solidity ^0.8.25;
 
 import { Script } from "forge-std/Script.sol";
+import {console} from "forge-std/console.sol";
 import {BTCDepositAddressDeriver} from "../src/BTCDepositAddressDeriver.sol";
+import {Tools} from "../src/Tools.sol";
+import {Strings} from "@openzeppelin/contracts/utils/Strings.sol";
+import {AddressReaderWriter} from "./AddressReaderWriter.s.sol";
 
-contract Deploy is Script {
+contract Deploy is Script, AddressReaderWriter {
     function run() external returns (BTCDepositAddressDeriver) {
         vm.startBroadcast();
         BTCDepositAddressDeriver btcDepositAddressDeriver = new BTCDepositAddressDeriver();
         vm.stopBroadcast();
+        writeContractAddress("BTCDepositAddressDeriver", address(btcDepositAddressDeriver));
         return btcDepositAddressDeriver;
     }
 }

script/GetBtcAddr.s.sol

@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.25;
+
+import {Script} from "forge-std/Script.sol";
+import {console} from "forge-std/console.sol";
+import {BTCDepositAddressDeriver} from "../src/BTCDepositAddressDeriver.sol";
+import {Tools} from "../src/Tools.sol";
+import {AddressReaderWriter} from "./AddressReaderWriter.s.sol";
+
+contract GetBtcAddr is Script, AddressReaderWriter {
+    function run() external {
+        // get contract address
+        // if environmental variable is set then use its value
+        // otherwise try get value from the latest deployment
+        address contractAddress;
+        string memory contractAddressStr = vm.envOr(
+            "CONTRACT_ADDR",
+            string("")
+        );
+        if (!Tools.areStringsEqual(contractAddressStr, "")) {
+            contractAddress = vm.envAddress("CONTRACT_ADDR");
+        } else {
+            contractAddress = readContractAddress(
+                "BTCDepositAddressDeriver"
+            );
+        }
+        console.log("contractAddress", contractAddress);
+
+        address ethAddr = vm.envAddress("ETH_ADDR");
+        console.log("ethAddr:", ethAddr);
+
+        BTCDepositAddressDeriver deriver = BTCDepositAddressDeriver(
+            contractAddress
+        );
+        string memory btcAddr = deriver.getBTCDepositAddress(ethAddr);
+        console.log("btcAddr:", btcAddr);
+
+        string memory btcAddrFileName = vm.envOr(
+            "BTC_ADDR_FILE",
+            string("")
+        );
+        if (!Tools.areStringsEqual(btcAddrFileName, "")) {
+            vm.writeFile(btcAddrFileName, btcAddr);
+        }
+    }
+}

script/SetSeed.s.sol

@@ -1,19 +1,33 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity ^0.8.19;
+pragma solidity ^0.8.25;
 
 import {Script} from "forge-std/Script.sol";
 import {console} from "forge-std/console.sol";
-import {DevOpsTools} from "lib/foundry-devops/src/DevOpsTools.sol";
 import {BTCDepositAddressDeriver} from "../src/BTCDepositAddressDeriver.sol";
+import {Tools} from "../src/Tools.sol";
+import {Strings} from "@openzeppelin/contracts/utils/Strings.sol";
+import {AddressReaderWriter} from "./AddressReaderWriter.s.sol";
+import {console} from "forge-std/console.sol";
 
-contract SetSeed is Script {
+contract SetSeed is Script, AddressReaderWriter {
     function run() external {
         // get contract address
-        address contractAddress = DevOpsTools.get_most_recent_deployment(
-            "BTCDepositAddressDeriver",
-            block.chainid
+        // if environmental variable is set then use its value
+        // otherwise try get value from the latest deployment
+        address contractAddress;
+        string memory contractAddressStr = vm.envOr(
+            "CONTRACT_ADDR",
+            string("")
         );
+        if (!Tools.areStringsEqual(contractAddressStr, "")) {
+            contractAddress = vm.envAddress("CONTRACT_ADDR");
+        } else {
+            contractAddress = readContractAddress(
+                "BTCDepositAddressDeriver"
+            );
+        }
+
         console.log("contractAddress", contractAddress);
 
         // get first validators' joint pubkey

src/BTCDepositAddressDeriver.sol

@@ -1,9 +1,10 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity ^0.8.18;
+pragma solidity ^0.8.25;
 
 import {Deriver} from "./Deriver.sol";
 import {Bech32m} from "./Bech32m.sol";
+import {console} from "forge-std/console.sol";
 
 error SeedWasNotSetYet();
 error UnsupportedBtcAddress(string btcAddress);
@@ -44,7 +45,6 @@ contract BTCDepositAddressDeriver {
         string calldata _btcAddr2,
         uint8 _network
     ) public virtual {
-
         string memory _hrp = getNetworkPrefix(_network);
 
         networkHrp = _hrp;

src/Bech32m.sol

@@ -2,7 +2,7 @@
 // https://github.com/gregdhill/bech32-sol/blob/master/src/Bech32.sol
 // based on https://github.com/bitcoin/bips/blob/master/bip-0350.mediawiki
 // https://github.com/sipa/bech32/blob/master/ref/python/segwit_addr.py
-pragma solidity ^0.8.18;
+pragma solidity ^0.8.25;
 
 error EncodingIsUnknown();
 

src/Deriver.sol

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.18;
+pragma solidity ^0.8.25;
 
 import {EllipticCurve} from "../lib/elliptic-curve-solidity/contracts/EllipticCurve.sol";