{"id":13772950,"url":"https://github.com/fanatid/bitcoin-spv-utils","last_synced_at":"2025-03-15T12:14:30.211Z","repository":{"id":66164052,"uuid":"46485462","full_name":"fanatid/bitcoin-spv-utils","owner":"fanatid","description":"Useful functions for Simple Payment Verification","archived":false,"fork":false,"pushed_at":"2015-11-24T11:44:48.000Z","size":15,"stargazers_count":0,"open_issues_count":1,"forks_count":1,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-03-14T14:55:19.492Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/fanatid.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2015-11-19T10:35:41.000Z","updated_at":"2015-11-19T10:39:53.000Z","dependencies_parsed_at":"2023-02-19T23:45:37.718Z","dependency_job_id":null,"html_url":"https://github.com/fanatid/bitcoin-spv-utils","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/fanatid%2Fbitcoin-spv-utils","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/fanatid%2Fbitcoin-spv-utils/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/fanatid%2Fbitcoin-spv-utils/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/fanatid%2Fbitcoin-spv-utils/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/fanatid","download_url":"https://codeload.github.com/fanatid/bitcoin-spv-utils/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":243597821,"owners_count":20316843,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","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":[],"created_at":"2024-08-03T17:01:09.519Z","updated_at":"2025-03-15T12:14:30.189Z","avatar_url":"https://github.com/fanatid.png","language":"JavaScript","funding_links":[],"categories":["List of content"],"sub_categories":["Utilities"],"readme":"# bitcoin-spv-utils\n\n[![NPM Package](https://img.shields.io/npm/v/bitcoin-spv-utils.svg?style=flat-square)](https://www.npmjs.org/package/bitcoin-spv-utils)\n[![Build Status](https://img.shields.io/travis/fanatid/bitcoin-spv-utils.svg?branch=master\u0026style=flat-square)](https://travis-ci.org/fanatid/bitcoin-spv-utils)\n[![Coverage Status](https://img.shields.io/coveralls/fanatid/bitcoin-spv-utils.svg?style=flat-square)](https://coveralls.io/r/fanatid/bitcoin-spv-utils)\n[![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/feross/standard)\n[![Dependency status](https://img.shields.io/david/fanatid/bitcoin-spv-utils.svg?style=flat-square)](https://david-dm.org/fanatid/bitcoin-spv-utils#info=dependencies)\n\n## API\n\n  - [`bits2buf(Number bits)`](#bits2bufnumber-bits---buffer)\n  - [`buf2bits(Buffer buf)`](#buf2bitsbuffer-buf---number)\n  - [`getMaxTarget()`](#getmaxtarget---bits-number-buf-buffer)\n  - [`getTarget(Buffer first, Buffer last)`](#gettargetbuffer-first-buffer-last---bits-number-buf-buffer)\n  - [`verifyHeader(Buffer header, Buffer previous, Object target [, Boolean isTestnet = false])`](#verifyheaderbuffer-header-buffer-previous-object-target--boolean-istestnet--false---boolean)\n  - [`verifyHeaders(Buffer[] headers, Buffer previous, Object target [, Boolean isTestnet = false]`](#verifyheadersbuffer-headers-buffer-previous-object-target--boolean-istestnet--false---boolean)\n\n#####`bits2buf(Number bits)` -\u003e `Buffer`\n\nUnpack bits.\n\n#####`buf2bits(Buffer buf)` -\u003e `Number`\n\nPack bits.\n\n#####`getMaxTarget()` -\u003e `{bits: Number, buf: Buffer}`\n\nReturn max target. (bits -- 0x1d00ffff, hex -- 00000000ffff0000000000000000000000000000000000000000000000000000)\n\n#####`getTarget(Buffer first, Buffer last)` -\u003e `{bits: Number, buf: Buffer}`\n\nCalculate target of next chunk.\n\n#####`verifyHeader(Buffer header, ?Buffer previous, Object target [, Boolean isTestnet = false])` -\u003e `Boolean`\n\nVerify given header.\n\n#####`verifyHeaders(Buffer[] headers, ?Buffer previous, Object target [, Boolean isTestnet = false]` -\u003e `Boolean`\n\nVerify given headers.\n\n## License\n\nThis software is licensed under the MIT License.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ffanatid%2Fbitcoin-spv-utils","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ffanatid%2Fbitcoin-spv-utils","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ffanatid%2Fbitcoin-spv-utils/lists"}