sdk.melodia.network/melodiasdk
SDK root module, canonical import path
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SDK Framework Layer
sdk.melodia.network/melodiasdk/api
Protobuf / gRPC / REST API definitions
sdk.melodia.network/melodiasdk/depinject
Dependency injection container (DI)
sdk.melodia.network/melodiasdk/core
SDK core abstractions, interfaces, module contracts
sdk.melodia.network/melodiasdk/collections
Generic collections / data structure wrappers
sdk.melodia.network/melodiasdk/store
KV Store, multi-layer store abstractions (Core dependency for SDK, IBC, and execution environments)
sdk.melodia.network/melodiasdk/chainservice
Chain service module for account-scoped service registration, keeper wiring, CLI, and app integration
sdk.melodia.network/melodiasdk/orm
ORM / data model support
sdk.melodia.network/melodiasdk/simapp
Example / simulation application
sdk.melodia.network/melodiasdk/tools/cosmovisor
Utility tool (cosmovisor)
sdk.melodia.network/melodiasdk/tools/rosetta
Utility tool (rosetta)
sdk.melodia.network/melodiasdk/tools/confix
Utility tool (confix)
sdk.melodia.network/melodiasdk/tools/hubl
Utility tool (hubl)
sdk.melodia.network/melodiasdk/crypto
Cryptographic services layer (keyring, keys, hd, ledger, armor)
sdk.melodia.network/melodiasdk/store/v2
New version store abstractions
sdk.melodia.network/melodiasdk/client
Legacy SDK client module
sdk.melodia.network/melodiasdk/client/v2
New version client
Business Module Layer
sdk.melodia.network/melodiasdk/x/auth
Account / signature verification
sdk.melodia.network/melodiasdk/x/authz
Authorization / delegation
sdk.melodia.network/melodiasdk/x/bank
Token transfers / balance management
sdk.melodia.network/melodiasdk/x/circuit
Operation flow control / circuit breaker
sdk.melodia.network/melodiasdk/x/consensus
Consensus parameter management
sdk.melodia.network/melodiasdk/x/distribution
Rewards / community pool / profit sharing
sdk.melodia.network/melodiasdk/x/feegrant
Fee grant authorization
sdk.melodia.network/melodiasdk/x/evidence
Evidence / penalty mechanism
sdk.melodia.network/melodiasdk/x/gov
Governance / proposals / voting
sdk.melodia.network/melodiasdk/x/group
Group / permission grouping
sdk.melodia.network/melodiasdk/x/params
Adjustable parameters module
sdk.melodia.network/melodiasdk/x/mint
Minting / inflation mechanism
sdk.melodia.network/melodiasdk/x/nft
NFT module
sdk.melodia.network/melodiasdk/x/slashing
Penalty mechanism / slash validators
sdk.melodia.network/melodiasdk/x/staking
Validators / delegation / staking
sdk.melodia.network/melodiasdk/x/tx
Transaction processing / routing
sdk.melodia.network/melodiasdk/x/upgrade
Chain upgrade management
Consensus Layer
sdk.melodia.network/hotbeat
Hotbeat consensus engine project, based on CometBFT branch
sdk.melodia.network/hotbeat/abci
ABCI server / client protocol implementation
sdk.melodia.network/hotbeat/consensus
Consensus state machine, block proposal and voting logic
sdk.melodia.network/hotbeat/mempool
Transaction memory pool and broadcast strategy
sdk.melodia.network/hotbeat/p2p
Network layer, peer management and handshake protocol
sdk.melodia.network/hotbeat/rpc
RPC service, JSON-RPC / gRPC interface
sdk.melodia.network/hotbeat/state
Blockchain state management, validator updates
sdk.melodia.network/hotbeat/store
Block / state persistence, BlockStore implementation
sdk.melodia.network/hotbeat/types
Core data structures (blocks, votes, consensus parameters)
sdk.melodia.network/hotbeat/proto/tendermint
Tendermint/CometBFT Protobuf definitions
Execution Layer
sdk.melodia.network/go-ethereum
Melodia Go Ethereum fork, aligned with upstream Go Ethereum versioning and used by the Cosmos EVM module for EVM execution
sdk.melodia.network/execution/evm
Cosmos EVM module and precompile framework; depends on the Go Ethereum fork exposed as sdk.melodia.network/go-ethereum
sdk.melodia.network/execution/evm/evmd
EVM demo application and integration test app module
sdk.melodia.network/execution/evm/x/erc20
ERC-20 token bridge module, Cosmos-EVM token pair conversion and dynamic precompiles
sdk.melodia.network/execution/evm/x/feemarket
Fee market / EIP-1559 dynamic gas pricing for EVM execution
sdk.melodia.network/execution/evm/precompiles
EVM precompiled contracts (bank, staking, distribution, gov, IBC, ERC-20, etc.)
sdk.melodia.network/execution/engine/parallel
Parallel execution engine for transaction scheduling and deterministic execution
Ordering Layer
sdk.melodia.network/ordering
Ordering policy and mempool ordering primitives used by execution and appchain scheduling
Oracle Layer
sdk.melodia.network/oracle/core
Oracle on-chain modules, including vote, reward, permission, and attester-set module code
sdk.melodia.network/oracle/sdk
Oracle client SDK, including datasource, processor, worker, broadcaster, keys, events, metrics, lifecycle, and state utilities
sdk.melodia.network/oracle/node
Oracle sidecar and app integration node, including provider adapters, ABCI vote-extension helpers, market map modules, oracle modules, service clients, and integration test apps
Cross-Chain Layer
sdk.melodia.network/crosschain/ibc-go
IBC protocol main, providing core protocol stack for HIBC/IBC cross-chain channels
sdk.melodia.network/crosschain/hibc-go
HIBC extended implementation, expanding cross-domain interoperability and namespace bridging
sdk.melodia.network/crosschain/hibc-go/v8
HIBC v8 protocol module used by transfer, channel, connection, client, and testing packages
sdk.melodia.network/crosschain/hibc-go/v10
HIBC v10 protocol module used by v10 app modules and rate-limiting packages
sdk.melodia.network/crosschain/hibc-go/modules/capability
Capability module for scoped object ownership used by HIBC keepers and apps
sdk.melodia.network/crosschain/hibc-go/modules/apps/callbacks
IBC callback middleware module used by EVM precompiles and callback-aware transfers
sdk.melodia.network/crosschain/hibc-go/modules/light-clients/08-wasm
HIBC v8 WASM light client module for verifying counterparty state through WASM contracts
sdk.melodia.network/crosschain/hibc-go/modules/light-clients/08-wasm/v10
HIBC v10 WASM light client module aligned with the v10 protocol stack
sdk.melodia.network/crosschain/hibc-apps
IBC app and middleware suite for HIBC, including packet-forward-middleware, ibc-hooks, async-icq, rate-limiting and other cross-chain application modules; repository is multi-module and some nested Go module paths still retain upstream layout today
sdk.melodia.network/crosschain/hibc-apps/middleware/packet-forward-middleware/v8
Packet forward middleware for multi-hop HIBC/IBC forwarding
sdk.melodia.network/crosschain/hibc-apps/modules/ibc-hooks/v8
IBC hooks middleware for contract and module callbacks
sdk.melodia.network/crosschain/hibc-core
HIBC core protocol / app layer: base keeper, router, BasePacket, cross-namespace transfer, tokenregistry, chainregistry. Module path migrated from sdk.melodia.network/hibc/core to the canonical crosschain/hibc-core
sdk.melodia.network/crosschain/hibc-routing
Melodia Hub cross-chain routing / orchestration layer: x/hibc-router (dir migrated from x/pibc-router), routing-state / routing-policy, evm-gateway, multisig, tss, Hub app support. Module path migrated from sdk.melodia.network/pibc/hibc-modules to the canonical crosschain/hibc-routing. Proto package names (pibc.*) not yet renamed - deferred pending a working buf regen toolchain
sdk.melodia.network/crosschain/attester
Cross-chain attester service for gateway event confirmation, multisig signing, and HIBC routing attestation
sdk.melodia.network/crosschain/relayer
Cross-chain relayer for HIBC/IBC packet relay; module path already conforms to the canonical crosschain/relayer layout
Toolkit Layer
sdk.melodia.network/crypto
Low-level cryptographic primitives (BLS12-381, Ed25519, Secp256k1, merkle, hash) for HotBeat consensus engine
sdk.melodia.network/log
Structured logging framework with zerolog backend, upgraded from go-kit/log; module path migrated from utils/log to log
sdk.melodia.network/errors
Standardized error handling and error codes with stacktrace support
sdk.melodia.network/math
Precision-safe math library (big integers / decimals), use math/v1.5.3 tag for version-specific referencing
sdk.melodia.network/utils
Unified utilities framework consolidating rand, sync, telemetry across ecosystem (log, errors, math have independent entries)
sdk.melodia.network/bls12-381
BLS12-381 elliptic curve cryptography library, supporting signature verification and aggregate signatures
sdk.melodia.network/melod-db
High-performance database engine, multi-tree storage system based on IAVL+Memiavl
sdk.melodia.network/nmt
Namespace Merkle tree, providing data namespace proofs
sdk.melodia.network/hotbeat-db
Database abstraction layer replacing cosmos-db and cometbft-db, supporting multi-backend KV storage (LevelDB, PebbleDB, RocksDB, etc.)
sdk.melodia.network/iavl
Persistent Merkle tree, versioned KV storage based on IAVL algorithm
sdk.melodia.network/shared-sequencer
Shared sequencer module for sequencing transaction broadcast, keeper wiring, and chainservice integration