strips BTCDepositAddressDeriver

src/BTCDepositAddressDeriver.sol

@@ -2,20 +2,6 @@
 
 pragma solidity ^0.8.24;
 
-import {Deriver} from "./Deriver.sol";
-import {Bech32m} from "./Bech32m.sol";
-import {console} from "forge-std/console.sol";
-
-error SeedWasNotSetYet();
-error UnsupportedBtcAddress(string btcAddress);
-error CannotParseBtcAddress(
-    string btcAddress,
-    string hrp,
-    Bech32m.DecodeError err
-);
-
-// Types of Bitcoin Network
-
 contract BTCDepositAddressDeriver {
 
     event SeedChanged(string btcAddr1, string btcAddr2, string hrp);
@@ -49,9 +35,6 @@ contract BTCDepositAddressDeriver {
 
         networkHrp = _hrp;
 
-        (p1x, p1y) = parseBTCTaprootAddress(_hrp, _btcAddr1);
-        (p2x, p2y) = parseBTCTaprootAddress(_hrp, _btcAddr2);
-
         btcAddr1 = _btcAddr1;
         btcAddr2 = _btcAddr2;
 
@@ -78,51 +61,4 @@ contract BTCDepositAddressDeriver {
 
         return _hrp;
     }
-
-    // Derive pubkey's (x,y) coordinates from taproot address
-    function parseBTCTaprootAddress(
-        string memory _hrp,
-        string calldata _bitcoinAddress
-    ) public pure returns (uint256, uint256) {
-
-        (uint8 witVer, bytes memory witProg, Bech32m.DecodeError err) = Bech32m
-            .decodeSegwitAddress(bytes(_hrp), bytes(_bitcoinAddress));
-
-        if (err != Bech32m.DecodeError.NoError) {
-            revert CannotParseBtcAddress(_bitcoinAddress, _hrp, err);
-        }
-        if (witVer != 1 || witProg.length != 32) {
-            revert UnsupportedBtcAddress(_bitcoinAddress);
-        }
-
-        uint256 x = uint256(bytes32(witProg));
-
-        if (x == 0 || x >= Deriver.PP) {
-            revert UnsupportedBtcAddress(_bitcoinAddress);
-        }
-
-        uint256 y = Deriver.liftX(x);
-
-        return (x, y);
-    }
-
-    // Get users' Bitcoin deposit address from user's Ethereum address
-    function getBTCDepositAddress(
-        address ethAddr
-    ) public view returns (string memory) {
-
-        if (!wasSeedSet) {
-            revert SeedWasNotSetYet();
-        }
-
-        return
-            Deriver.getBtcAddressFromEth(
-                p1x,
-                p1y,
-                p2x,
-                p2y,
-                bytes(networkHrp),
-                ethAddr
-            );
-    }
 }