fix: Minor fixes throughout codebase (#1276)

* remove BTC dir

* rename BTC to btc

* fix typo

* update license

* fix typo

Author: jasonandjay

LICENSE.txt

@@ -1,5 +1,5 @@
 The MIT License (MIT)
-Copyright (c) 2021-2022 liberhe, yingjingyang and other contributors
+Copyright (c) 2021-2025 liberhe, yingjingyang and other contributors
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the

basic/09-hardhat-react/frontend/src/components/Dapp.js

@@ -145,7 +145,7 @@ export class Dapp extends React.Component {
         <div className="row">
           <div className="col-12">
             {/*
-              If the user has no tokens, we don't show the Tranfer form
+              If the user has no tokens, we don't show the Transfer form
             */}
             {this.state.balance === 0 && (
               <NoTokensMessage deployContract={() => this._deployContract()} />

basic/11-react-express-hardhat/frontend/src/components/Dapp.js

@@ -138,7 +138,7 @@ export class Dapp extends React.Component {
         <div className="row">
           <div className="col-12">
             {/*
-              If the user has no tokens, we don't show the Tranfer form
+              If the user has no tokens, we don't show the Transfer form
             */}
             {this.state.balance.eq(0) && (
               <NoTokensMessage selectedAddress={this.state.selectedAddress} />

basic/23-erc865-and-erc875/contracts/eip165/README.md

@@ -188,7 +188,7 @@ function supportsInterface(address account, bytes4 interfaceId) internal view re
     }
 ```
 
-With the help of ERC165Checker, it is far more easier to check interface. Take a scenerio where a NFT market wants to move NFT it stored to some buyer, it must know what of kind of NFT it is transfering before the tranfer:
+With the help of ERC165Checker, it is far more easier to check interface. Take a scenerio where a NFT market wants to move NFT it stored to some buyer, it must know what of kind of NFT it is transfering before the transfer:
 
 ```solidity
 import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";

basic/23-erc865-and-erc875/test/test-ERC1155.js

@@ -80,7 +80,7 @@ describe('ERC1155 compatible logic', async () => {
     // Approve for other account
     await gameItemsContract.setApprovalForAll(alice.address,true);
 
-    // Batch Tranfer from owner to alice
+    // Batch Transfer from owner to alice
     let ids = [0,1];
     let amounts = [10,20];
     const additionalData = ethers.utils.formatBytes32String("777TestData")

basic/23-erc865-and-erc875/test/test-ERC865.js

@@ -145,7 +145,7 @@ describe('ERC865 compatible logic', async () => {
     expect(bobAllowance).to.equal(allowance);
   });
 
-  it('Bob tranfer allowed balance from Alice to Charlie (fee=1)', async () => {
+  it('Bob transfer allowed balance from Alice to Charlie (fee=1)', async () => {
     // Transfer 100 tokens from owner to addr1
     await dTokenOwner.transfer(bob.address, 100);
 

defi/RAI/GEB.md

@@ -451,7 +451,7 @@ Relevant smart contracts:
 
 - SingleSpotDebtCeilingSetter - 这个合约通过查看 SAFEEngine 中的当前 globalDebt 来重新计算特定抵押品类型的债务上限
 
-- ESMThresholdSSetter - 这个合约通过使用 ESM 重新计算燃烧和触发结算所需的阈值
+- ESMThresholdSetter - 这个合约通过使用 ESM 重新计算燃烧和触发结算所需的阈值
 
 ## Governance Module
 

defi/RAI/PID.md

@@ -161,7 +161,7 @@ contract PIRawPerSecondCalculator is SafeMath, SignedSafeMath {
         // newRedemptionRate cannot be lower than 10^0 (1) because of the way rpower is designed
         bool negativeOutputExceedsHundred = (boundedPIOutput < 0 && -boundedPIOutput >= int(defaultRedemptionRate));
 
-        // If it is smaller than 1, set it to the nagative rate limit
+        // If it is smaller than 1, set it to the negative rate limit
         if (negativeOutputExceedsHundred) {
           newRedemptionRate = NEGATIVE_RATE_LIMIT;
         } else {