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reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["ada","bip32","blockchain","cardano","go","golang"],"created_at":"2026-01-30T15:38:19.613Z","updated_at":"2026-01-30T15:38:21.466Z","avatar_url":"https://github.com/echovl.png","language":"Go","funding_links":[],"categories":[],"sub_categories":[],"readme":"# cardano-go\n\n[![PkgGoDev](https://pkg.go.dev/badge/github.com/echovl/cardano-go)](https://pkg.go.dev/github.com/echovl/cardano-go) ![ci](https://github.com/echovl/cardano-go/workflows/test/badge.svg)\n\ncardano-go is a library for creating go applicactions that interact with the Cardano Blockchain. [WIP]\n\nCheck out our Catalyst proposal: (https://cardano.ideascale.com/c/idea/416383)\n\n## Installation\n\n```\n$ go get github.com/echovl/cardano-go\n```\n\n## Usage\n\n### Get protocol parameters\n\n```go\npackage main\n\nimport (\n\t\"fmt\"\n\n\t\"github.com/echovl/cardano-go\"\n\t\"github.com/echovl/cardano-go/blockfrost\"\n)\n\nfunc main() {\n\tnode := blockfrost.NewNode(cardano.Mainnet, \"project-id\")\n\n\tpparams, err := node.ProtocolParams()\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\tfmt.Println(pparams)\n}\n```\n\n### Create simple transaction\n\n```go\npackage main\n\nimport (\n\t\"fmt\"\n\n\t\"github.com/echovl/cardano-go\"\n\t\"github.com/echovl/cardano-go/crypto\"\n)\n\nfunc main() {\n\ttxBuilder := cardano.NewTxBuilder(\u0026cardano.ProtocolParams{})\n\n\tsender, err := cardano.NewAddress(\"addr\")\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\treceiver, err := cardano.NewAddress(\"addr\")\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\tsk, err := crypto.NewPrvKey(\"addr_sk\")\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\ttxHash, err := cardano.NewHash32(\"txhash\")\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\ttxInput := cardano.NewTxInput(txHash, 0, cardano.NewValue(20e6))\n\ttxOut := cardano.NewTxOutput(receiver, cardano.NewValue(10e6))\n\n\ttxBuilder.AddInputs(txInput)\n\ttxBuilder.AddOutputs(txOut)\n\ttxBuilder.SetTTL(100000)\n\ttxBuilder.AddChangeIfNeeded(sender)\n\ttxBuilder.Sign(sk)\n\n\ttx, err := txBuilder.Build()\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\tfmt.Println(tx.Hex())\n}\n```\n\n### Set fee and change output\n\n```go\npackage main\n\nimport (\n\t\"github.com/echovl/cardano-go\"\n)\n\nfunc main() {\n\ttxBuilder := cardano.NewTxBuilder(\u0026cardano.ProtocolParams{})\n\n\tchangeAddr, err := cardano.NewAddress(\"addr\")\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\ttxBuilder.AddChangeIfNeeded(changeAddr)\n}\n```\n\n### Submit transaction\n\n```go\npackage main\n\nimport (\n\t\"fmt\"\n\n\t\"github.com/echovl/cardano-go\"\n\t\"github.com/echovl/cardano-go/blockfrost\"\n)\n\nfunc main() {\n\tnode := blockfrost.NewNode(cardano.Mainnet, \"project-id\")\n\n\ttxHash, err := node.SubmitTx(\u0026cardano.Tx{})\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\tfmt.Println(txHash)\n}\n```\n\n### Add transaction metadata\n\n```go\npackage main\n\nimport \"github.com/echovl/cardano-go\"\n\nfunc main() {\n\ttxBuilder := cardano.NewTxBuilder(\u0026cardano.ProtocolParams{})\n\n\ttxBuilder.AddAuxiliaryData(\u0026cardano.AuxiliaryData{\n\t\tMetadata: cardano.Metadata{\n\t\t\t0: map[string]interface{}{\n\t\t\t\t\"hello\": \"cardano-go\",\n\t\t\t},\n\t\t},\n\t})\n}\n```\n\n### Stake key registration\n\n```go\npackage main\n\nimport (\n\t\"github.com/echovl/cardano-go\"\n\t\"github.com/echovl/cardano-go/crypto\"\n)\n\nfunc main() {\n\ttxBuilder := cardano.NewTxBuilder(\u0026cardano.ProtocolParams{})\n\n\tstakeKey, err := crypto.NewPrvKey(\"stake_sk\")\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\tstakeRegCert, err := cardano.NewStakeRegistrationCertificate(stakeKey.PubKey())\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\ttxBuilder.AddCertificate(stakeRegCert)\n}\n```\n\n### Stake delegation\n\n```go\npackage main\n\nimport (\n\t\"github.com/echovl/cardano-go\"\n\t\"github.com/echovl/cardano-go/crypto\"\n)\n\nfunc main() {\n\ttxBuilder := cardano.NewTxBuilder(\u0026cardano.ProtocolParams{})\n\n\tstakeKey, err := crypto.NewPrvKey(\"stake_sk\")\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\tpoolKeyHash, err := cardano.NewHash28(\"2d6765748cc86efe862f5abeb0c0271f91d368d300123ecedc078ef2\")\n    if err != nil {\n        panic(err)\n    }\n\tstakeDelCert, err := cardano.NewStakeDelegationCertificate(stakeKey.PubKey(), poolKeyHash)\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\ttxBuilder.AddCertificate(stakeDelCert)\n}\n```\n\n### Mint native tokens\n\n```go\npackage main\n\nimport (\n\t\"math/big\"\n\n\t\"github.com/echovl/cardano-go\"\n\t\"github.com/echovl/cardano-go/crypto\"\n)\n\nfunc main() {\n\ttxBuilder := cardano.NewTxBuilder(\u0026cardano.ProtocolParams{})\n\n\tpolicyKey, err := crypto.NewPrvKey(\"policy_sk\")\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\tpolicyScript, err := cardano.NewScriptPubKey(policyKey.PubKey())\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\tpolicyID, err := cardano.NewPolicyID(policyScript)\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\tnewAsset := cardano.NewMint().\n\t\tSet(\n\t\t\tpolicyID,\n\t\t\tcardano.NewMintAssets().\n\t\t\t\tSet(cardano.NewAssetName(\"cardanogo\"), big.NewInt(1e9)),\n\t\t)\n\n\taddr, err := cardano.NewAddress(\"addr\")\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\ttxHashIn, err := cardano.NewHash32(\"txhash\")\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\ttxBuilder.AddInputs(\n\t\tcardano.NewTxInput(txHashIn, 0, cardano.NewValue(10e6)),\n\t)\n\ttxBuilder.AddOutputs(\n\t\tcardano.NewTxOutput(addr, cardano.NewValueWithAssets(10e6, newAsset.MultiAsset())),\n\t)\n\n\ttxBuilder.AddNativeScript(policyScript)\n\ttxBuilder.Mint(newAsset)\n}\n```\n\n## cwallet\n\nThis package provides a cli `cwallet` for wallet management. It supports:\n\n- hierarchical deterministic wallets\n- fetching balances\n- transfering ADA\n\n### Configuration\n\n`cwallet` uses blockfrost as a Node provider. It requires a config file in `$XDG_CONFIG_HOME/cwallet.yml`.\nExample:\n\n```yaml\nblockfrost_project_id: \"project-id\"\n```\n\n### Installation\n\n```\n$ git clone github.com/echovl/cardano-go\n$ make \u0026\u0026 sudo make install\n```\n\n### Usage\n\nWallet creation:\n\n```\n$ cwallet new-wallet jhon\nmnemonic: various find knee churn bicycle current midnight visit artist help soon flower venture wasp problem\n```\n\nList wallet address:\n\n```\n$ cwallet list-address jhon\nPATH                      ADDRESS\nm/1852'/1815'/0'/0/0      addr1vxzfs9dj365gcdmv6dwj7auewf624ghwrtduecu37hrxsyst8gvu2\n```\n\nSend ADA:\n\n```\n$ cwallet transfer echo addr1vxzfs9dj365gcdmv6dwj7auewf624ghwrtduecu37hrxsyst8gvu2 2000000\nfd3a7d6e9742fd9ddba2bd1740fa994f5c93a4f59bf88dc5f81d8d7413c5b3a9\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fechovl%2Fcardano-go","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fechovl%2Fcardano-go","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fechovl%2Fcardano-go/lists"}