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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,12 +1,26 @@ | ||
| import { vocab } from '@slangroom/ethereum/tokens'; | ||
| import { ethereumEndpointVocab, ethereumBalanceVocab } from '@slangroom/ethereum/tokens'; | ||
| import { Lexer } from '@slangroom/deps/chevrotain'; | ||
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|
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| const FsLexer = new Lexer(vocab); | ||
| const EthereumEndpointLexer = new Lexer(ethereumEndpointVocab); | ||
| const EthereumBalanceLexer = new Lexer(ethereumBalanceVocab); | ||
|
|
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| /** | ||
| * Lexes the given statement for filesystems statements. | ||
| * Lexes the given statement for Ethereum endpoint statements: | ||
| * | ||
| * Given I have a ethereum endpoint named 'x' | ||
| * | ||
| * @param statement is the statement ignored by Zenroom. | ||
| * @returns the tokens of the lexed result. | ||
| **/ | ||
| export const lex = (statement: string) => FsLexer.tokenize(statement); | ||
| export const lexEthereumEndpoint = (statement: string) => EthereumEndpointLexer.tokenize(statement); | ||
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| /** | ||
| * Lexes the given statement for reading the Ethereum balance: | ||
| * | ||
| * Given I read the ethereum balance for 'x' | ||
| * | ||
| * @param statement is the statement ignored by Zenroom. | ||
| * @returns the tokens of the lexed result. | ||
| **/ | ||
|
|
||
| export const lexEthereumBalance = (statement: string) => EthereumBalanceLexer.tokenize(statement); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,26 +1,35 @@ | ||
| import { visitEthereumEndpointStatement, visitEthereumReadBalanceStatement } from '@slangroom/ethereum/visitor'; | ||
| import { | ||
| visitEthereumEndpointStatement, | ||
| visitEthereumReadBalanceStatement, | ||
| } from '@slangroom/ethereum/visitor'; | ||
| import { BeforePlugin } from '@slangroom/core/plugin'; | ||
| import { Web3 } from 'web3' | ||
| import { Web3 } from 'web3'; | ||
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| let web3: Web3 | null = null | ||
| let web3: Web3 | null = null; | ||
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| export const GivenIHaveAEthereumEndpointNamed = new BeforePlugin(async ({ statement, params }) => { | ||
| const endpointName = visitEthereumEndpointStatement(statement); | ||
| console.log(endpointName) | ||
| // TODO: if `visit()` fails, exit (return) | ||
| if (!endpointName) return; | ||
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| const endpoint = ((params?.data || {})[endpointName] || (params?.keys || {})[endpointName] || endpointName) as string; | ||
| web3 = new Web3(endpoint); | ||
| const endpoint = ((params?.data || {})[endpointName] || | ||
| (params?.keys || {})[endpointName] || | ||
| endpointName) as string; | ||
| web3 = new Web3(endpoint); | ||
| }); | ||
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| export const GivenIReadTheEhtereumBalanceFor = new BeforePlugin(async ({ statement, params }) => { | ||
| const addressName = visitEthereumReadBalanceStatement(statement); | ||
| // TODO: if `visit()` fails, exit (return) | ||
| if (!addressName) return; | ||
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| const address = ((params?.data || {})[addressName] || (params?.keys || {})[addressName] || addressName) as string; | ||
| if(web3 == null) throw Error("No connection to a client") | ||
| const address = ((params?.data || {})[addressName] || | ||
| (params?.keys || {})[addressName] || | ||
| addressName) as string; | ||
| if (!web3) throw Error('No connection to a client'); | ||
| const balance = await web3.eth.getBalance(address); | ||
| return { ethereum_balance: balance.toString() } | ||
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| return { ethereum_balance: balance.toString() }; | ||
| }); | ||
| export const allPlugins = new Set([GivenIHaveAEthereumEndpointNamed]); | ||
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| export const allPlugins = new Set([ | ||
| GivenIHaveAEthereumEndpointNamed, | ||
| GivenIReadTheEhtereumBalanceFor, | ||
| ]); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,19 +1,66 @@ | ||
| import { Whitespace, Comment, Identifier, Given, I, Named, HaveA } from '@slangroom/shared'; | ||
| import { | ||
| Whitespace, | ||
| Comment, | ||
| Identifier, | ||
| Given, | ||
| I, | ||
| Named, | ||
| For, | ||
| The, | ||
| Have, | ||
| Read, | ||
| A, | ||
| } from '@slangroom/shared'; | ||
| import { createToken } from '@slangroom/deps/chevrotain'; | ||
|
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| /** | ||
| * The "save the" statement, used to write files to the filesystems. | ||
| */ | ||
| export const EthereumEndpoint = createToken({ | ||
| name: 'EthereumEndpoint', | ||
| pattern: /ethereum endpoint/, | ||
| export const Ethereum = createToken({ | ||
| name: 'Ethereum', | ||
| pattern: /ethereum/i, | ||
| }); | ||
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| export const Endpoint = createToken({ | ||
| name: 'Endpoint', | ||
| pattern: /endpoint/i, | ||
| }); | ||
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| export const EthereumBalance = createToken({ | ||
| name: 'EthereumBalance', | ||
| pattern: /ethereum balance/, | ||
| export const Balance = createToken({ | ||
| name: 'Balance', | ||
| pattern: /balance/i, | ||
| }); | ||
|
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| /** | ||
| * The vocabulary for the statements that specifies endpoints for Ethereum: | ||
| * | ||
| * Given I have a ethereum endpoint named 'x' | ||
| */ | ||
| export const ethereumEndpointVocab = [ | ||
| Whitespace, | ||
| Comment, | ||
| Given, | ||
| I, | ||
| Have, | ||
| A, | ||
| Ethereum, | ||
| Endpoint, | ||
| Named, | ||
| Identifier, | ||
| ]; | ||
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| /** | ||
| * Vocabulary to perform filesystems actions. | ||
| * The vocabulary for statements that reads the balance of a given Ethereum | ||
| * address: | ||
| * | ||
| * Given I read the ethereum balance for 'x' | ||
| */ | ||
| export const vocab = [Whitespace, Comment, Given, I, Identifier, EthereumEndpoint, EthereumBalance, Named, HaveA]; | ||
| export const ethereumBalanceVocab = [ | ||
| Whitespace, | ||
| Comment, | ||
| Given, | ||
| I, | ||
| Read, | ||
| The, | ||
| Ethereum, | ||
| Balance, | ||
| For, | ||
| Identifier, | ||
| ]; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,41 +1,55 @@ | ||
| import { BaseEthVisitor, parseEthereumReadBalanceStatement, parseEthereumEndpointStatement, | ||
| type EthereumEndpointStatementCtx, type EthereumReadBalanceStatementCtx } from '@slangroom/ethereum/parser'; | ||
| import { | ||
| BaseEthereumEndpointParser, | ||
| BaseEthereumBalanceParser, | ||
| parseEthereumReadBalanceStatement, | ||
| parseEthereumEndpointStatement, | ||
| type EthereumEndpointStatementCtx, | ||
| type EthereumReadBalanceStatementCtx, | ||
| } from '@slangroom/ethereum/parser'; | ||
| import type { CstNode } from '@slangroom/deps/chevrotain'; | ||
|
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| // eslint-disable-next-line @typescript-eslint/consistent-type-definitions | ||
| interface Visitor { | ||
| visitEthereumEndpointConnect(params: CstNode): string; | ||
| visitEthereumReadBalance(params: CstNode): string; | ||
| interface EthereumBalanceVisitor { | ||
| visit(params: CstNode): string; | ||
| } | ||
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| class Visitor extends BaseEthVisitor { | ||
| class EthereumEndpointVisitor extends BaseEthereumEndpointParser { | ||
| constructor() { | ||
| super(); | ||
| this.validateVisitor(); | ||
| } | ||
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| ethereumEndpointStatement(ctx: EthereumEndpointStatementCtx) { | ||
| return ctx.endpointName[0].image.slice(1, -1) | ||
| return ctx.endpointName[0].image.slice(1, -1); | ||
| } | ||
| } | ||
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| export const ethereumEndpointVisitor = new EthereumEndpointVisitor(); | ||
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| // eslint-disable-next-line @typescript-eslint/consistent-type-definitions | ||
| interface EthereumBalanceVisitor { | ||
| visit(params: CstNode): string; | ||
| } | ||
|
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| class EthereumBalanceVisitor extends BaseEthereumBalanceParser { | ||
| constructor() { | ||
| super(); | ||
| this.validateVisitor(); | ||
| } | ||
|
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| ethereumReadBalanceStatement(ctx: EthereumReadBalanceStatementCtx) { | ||
| return ctx.addressName[0].image.slice(1, -1) | ||
| return ctx.addressName[0].image.slice(1, -1); | ||
| } | ||
| } | ||
|
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| export const EthVisitor = new Visitor(); | ||
| export const ethereumBalanceVisitor = new EthereumBalanceVisitor(); | ||
|
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| /** | ||
| * Visits the given statement for filesystems statements. | ||
| * | ||
| * @param statement is the statement ignored by Zenroom. | ||
| * @returns the AST of the parsed CST. | ||
| **/ | ||
| export const visitEthereumEndpointStatement = (statement: string) => { | ||
| const cst = parseEthereumEndpointStatement(statement); | ||
| return EthVisitor.visitEthereumEndpointConnect(cst); | ||
| return ethereumEndpointVisitor.visit(cst); | ||
| }; | ||
|
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| export const visitEthereumReadBalanceStatement = (statement: string) => { | ||
| const cst = parseEthereumReadBalanceStatement(statement); | ||
| return EthVisitor.visitEthereumReadBalance(cst); | ||
| return ethereumBalanceVisitor.visit(cst); | ||
| }; |
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