### Install @fleet-sdk/core

Source: https://github.com/fleet-sdk/fleet/blob/master/packages/core/README.md

Install the core library using npm.

```bash
npm install @fleet-sdk/core
```

--------------------------------

### Install @fleet-sdk/compiler

Source: https://github.com/fleet-sdk/fleet/blob/master/packages/compiler/README.md

Install the @fleet-sdk/compiler package using npm.

```bash
npm install @fleet-sdk/compiler
```

--------------------------------

### Install @fleet-sdk/babel-fees-plugin

Source: https://github.com/fleet-sdk/fleet/blob/master/plugins/babel-fees/README.md

Install the plugin using npm. This command adds the necessary package to your project dependencies.

```bash
npm install @fleet-sdk/babel-fees-plugin
```

--------------------------------

### Install Dependencies with pnpm

Source: https://github.com/fleet-sdk/fleet/blob/master/CONTRIBUTING.md

Use this command to install all project dependencies in the monorepo.

```bash
pnpm install
```

--------------------------------

### Build All Packages with pnpm

Source: https://github.com/fleet-sdk/fleet/blob/master/CONTRIBUTING.md

Builds all packages within the monorepo. This is a necessary step after installing dependencies.

```bash
pnpm -r build
```

--------------------------------

### Build Blockchain Providers Package

Source: https://github.com/fleet-sdk/fleet/blob/master/packages/blockchain-providers/README.md

Builds the blockchain-providers package using pnpm. Ensure you have pnpm installed and are in the project root.

```sh
pnpm --filter blockchain-providers build
```

--------------------------------

### Install AgeUSD Plugin

Source: https://github.com/fleet-sdk/fleet/blob/master/plugins/ageusd/README.md

Install the AgeUSD plugin using npm. This command adds the necessary package to your project dependencies.

```bash
npm install @fleet-sdk/ageusd-plugin
```

--------------------------------

### Run Unit Tests in Watch Mode

Source: https://github.com/fleet-sdk/fleet/blob/master/CONTRIBUTING.md

Starts unit tests for the 'core' package in watch mode, automatically re-running tests when code changes.

```bash
pnpm watch:unit core
```

--------------------------------

### Format Files with pnpm fix

Source: https://github.com/fleet-sdk/fleet/blob/master/CONTRIBUTING.md

Formats all files according to the project's coding style guidelines. This should be run before committing.

```bash
pnpm fix
```

--------------------------------

### Test Blockchain Providers Package

Source: https://github.com/fleet-sdk/fleet/blob/master/packages/blockchain-providers/README.md

Runs unit tests for the blockchain-providers package using pnpm. This command is used to verify the functionality of the providers.

```sh
pnpm test:unit blockchain-providers
```

--------------------------------

### Build a Simple Ergo Transaction

Source: https://github.com/fleet-sdk/fleet/blob/master/packages/core/README.md

Construct an unsigned Ergo transaction with a single output and minimum fee.

```typescript
import { OutputBuilder, TransactionBuilder } from "@fleet-sdk/core";

const unsignedTransaction = new TransactionBuilder(creationHeight)
  .from(inputs)
  .to(new OutputBuilder(1000000n, "9gNvAv97W71Wm33GoXgSQBFJxinFubKvE6wh2dEhFTSgYEe783j"))
  .sendChangeTo("9i2bQmRpCPLmDdVgBNyeAy7dDXqBQfjvcxVVt5YMzbDud6AvJS8")
  .payMinFee()
  .build();
```

--------------------------------

### Build Ergo Transaction with Multiple Outputs

Source: https://github.com/fleet-sdk/fleet/blob/master/packages/core/README.md

Create an unsigned Ergo transaction with multiple outputs by passing an array of OutputBuilder instances.

```typescript
import { OutputBuilder, TransactionBuilder } from "@fleet-sdk/core";

const unsignedTransaction = new TransactionBuilder(creationHeight)
  .from(inputs)
  .to([
    new OutputBuilder(1000000n, "9gNvAv97W71Wm33GoXgSQBFJxinFubKvE6wh2dEhFTSgYEe783j"),
    new OutputBuilder(2000000n, "9fhJkRaSoPfzE9rA3e4ptK51xvyNsLKonYN1xje5LWaLukx7iX2")
  ])
  .sendChangeTo("9i2bQmRpCPLmDdVgBNyeAy7dDXqBQfjvcxVVt5YMzbDud6AvJS8")
  .payMinFee()
  .build();
```

--------------------------------

### Use BabelSwapPlugin in TransactionBuilder

Source: https://github.com/fleet-sdk/fleet/blob/master/plugins/babel-fees/README.md

Extend the TransactionBuilder with BabelSwapPlugin to swap tokens for ERG. The swapped ERG can then be used for transaction fees or other purposes.

```typescript
const tx = new TransactionBuilder(height)
  .from(inputs)
  // Use extend method to extend the transaction builder with plugins.
  .extend(
    // In this case, BabelSwapPlugin will swap the specified token
    // amount for ERG, based on token price, and make it available.
    // for use in the transaction.
    BabelSwapPlugin(babelBox, {
      tokenId: "03faf2cb329f2e90d6d23b58d91bbb6c046aa143261cc21f52fbe2824bfcbf04",
      amount: "2" // amount of token units you want to swap for ERG
    })
  )
  // BabelSwapPlugin will make swapped ERG available for use in any
  // point of the transaction, in this example, we are using it to
  // pay the mining fee and sending the excess to the change address.
  .payMinFee()
  .sendChangeTo(changeAddress)
  .build();
```

--------------------------------

### Mint Tokens in Ergo Transaction

Source: https://github.com/fleet-sdk/fleet/blob/master/packages/core/README.md

Mint new tokens as part of an Ergo transaction output using the mintToken method.

```typescript
import { OutputBuilder, TransactionBuilder } from "@fleet-sdk/core";

const unsignedTransaction = new TransactionBuilder(creationHeight)
  .from(inputs)
  .to(
    new OutputBuilder(1000000n, "9gNvAv97W71Wm33GoXgSQBFJxinFubKvE6wh2dEhFTSgYEe783j").mintToken({
      name: "TestToken",
      amount: 21000000n,
      decimals: 4,
      description: "Just a test token"
    })
  )
  .sendChangeTo("9i2bQmRpCPLmDdVgBNyeAy7dDXqBQfjvcxVVt5YMzbDud6AvJS8")
  .payMinFee()
  .build();
```

--------------------------------

### Burn Tokens in Ergo Transaction

Source: https://github.com/fleet-sdk/fleet/blob/master/packages/core/README.md

Burn existing tokens as part of an Ergo transaction using the burnTokens method.

```typescript
import { OutputBuilder, TransactionBuilder } from "@fleet-sdk/core";

const unsignedTransaction = new TransactionBuilder(creationHeight)
  .from(inputs)
  .burnTokens([
    { tokenId: "0cd8c9f416e5b1ca9f986a7f10a84191dfb85941619e49e53c0dc30ebf83324b", amount: 100n },
    { tokenId: "36aba4b4a97b65be491cf9f5ca57b5408b0da8d0194f30ec8330d1e8946161c1", amount: 429n }
  ])
  .sendChangeTo("9i2bQmRpCPLmDdVgBNyeAy7dDXqBQfjvcxVVt5YMzbDud6AvJS8")
  .payMinFee()
  .build();
```

--------------------------------

### Ensure Input Inclusion in Ergo Transaction

Source: https://github.com/fleet-sdk/fleet/blob/master/packages/core/README.md

Use configureSelector to guarantee specific inputs are included in the transaction, useful for contract interactions.

```typescript
import { OutputBuilder, TransactionBuilder } from "@fleet-sdk/core";

const boxId = "e56847ed19b3dc6b72828fcfb992fdf7310828cf291221269b7ffc72fd66706e";
const unsignedTransaction = new TransactionBuilder(creationHeight)
  .from(inputs)
  .to(new OutputBuilder(1000000n, "9gNvAv97W71Wm33GoXgSQBFJxinFubKvE6wh2dEhFTSgYEe783j"))
  .sendChangeTo("9i2bQmRpCPLmDdVgBNyeAy7dDXqBQfjvcxVVt5YMzbDud6AvJS8")
  .configureSelector((selector) => selector.ensureInclusion((input) => input.boxId === boxId))
  .payMinFee()
  .build();
```

--------------------------------

### Send Tokens in Ergo Transaction

Source: https://github.com/fleet-sdk/fleet/blob/master/packages/core/README.md

Include custom tokens in an Ergo transaction output by using the addTokens method.

```typescript
import { OutputBuilder, TransactionBuilder } from "@fleet-sdk/core";

const unsignedTransaction = new TransactionBuilder(creationHeight)
  .from(inputs)
  .to(
    new OutputBuilder(1000000n, "9gNvAv97W71Wm33GoXgSQBFJxinFubKvE6wh2dEhFTSgYEe783j").addTokens([
      { tokenId: "0cd8c9f416e5b1ca9f986a7f10a84191dfb85941619e49e53c0dc30ebf83324b", amount: 100n },
      { tokenId: "36aba4b4a97b65be491cf9f5ca57b5408b0da8d0194f30ec8330d1e8946161c1", amount: 429n }
    ])
  )
  .sendChangeTo("9i2bQmRpCPLmDdVgBNyeAy7dDXqBQfjvcxVVt5YMzbDud6AvJS8")
  .payMinFee()
  .build();
```

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