DecentralChain SDK

Multi-language monorepo for all @decentralchain packages — TypeScript SDK, RIDE lang/repl, JVM libraries

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Packages

Package	Description
@decentralchain/types	Core TypeScript type definitions
@decentralchain/bignumber	BigNumber utilities
@decentralchain/ts-lib-crypto	Cryptographic primitives
@decentralchain/marshall	Binary serialization
@decentralchain/protobuf-schemas	Protobuf serialization
@decentralchain/crypto	High-level crypto API
@decentralchain/assets-pairs-order	Asset pair ordering
@decentralchain/oracle-data	Oracle data utilities
@decentralchain/browser-bus	Cross-window messaging
@decentralchain/cubensis-connect-types	Wallet connection types
@decentralchain/ledger	Ledger hardware wallet
@decentralchain/parse-json-bignumber	JSON parsing with BigNumber
@decentralchain/data-entities	Data entity models
@decentralchain/money-like-to-node	Money conversion
@decentralchain/node-api	Node REST API client
@decentralchain/ride	RIDE smart contract compiler
@decentralchain/data-service-client	Data service client
@decentralchain/transactions	Transaction builders
@decentralchain/signature-adapter	Signature adapters
@decentralchain/signer	Transaction signing
@decentralchain/cubensis-connect-provider	Wallet provider

RIDE (packages/ride/)

Artifact	Description
@decentralchain/ride-lang	RIDE VM/compiler — npm (Scala.js)
@decentralchain/ride-repl	RIDE REPL — npm (Scala.js)
io.decentralchain:lang_3	RIDE VM — Maven Central (JVM)
io.decentralchain:lang-testkit_3	RIDE test utilities — Maven Central (JVM)

JVM Libraries (packages/jvm/)

Artifact	Description
io.decentralchain:java-sdk	DecentralChain Java SDK
io.decentralchain:curve25519	Ed25519/Curve25519 cryptography
io.decentralchain:transactions	Transaction wire-format library
io.decentralchain:blst	BLS12-381 pairing cryptography
io.decentralchain:groth16	ZK-SNARK (Groth16 / fastcrypto-zkp)

Apps

App	Description
@decentralchain/exchange	DEX trading interface
@decentralchain/scanner	DecentralScan blockchain explorer
@decentralchain/cubensis-connect	Wallet extension

Documentation

Document	Description
docs/UPSTREAM.md	Waves provenance, ecosystem mapping, gap analysis, migration history
docs/ARCHITECTURE.md	Monorepo architecture, dependency tiers, toolchain, design decisions
docs/CONVENTIONS.md	Coding standards, quality gates, file templates, naming conventions
docs/LOCAL-DEV.md	Run the full ecosystem locally — private node, Postgres, BPS, exchange, scanner

Development

# Install dependencies
pnpm install

# Build all packages
pnpm build

# Run all tests
pnpm test

# Type check all packages
pnpm typecheck

# Lint all code
pnpm lint

# Visualize dependency graph
pnpm graph

Working with Nx

# Build a single package
npx nx build @decentralchain/types

# Run affected tests only
npx nx affected -t test

# Run tasks for a specific project
npx nx run @decentralchain/transactions:test

License

MIT — Copyright (c) 2026-present DecentralChain