{"id":20697473,"url":"https://github.com/blackhole-consulting/blockchain-micropython","last_synced_at":"2025-06-24T06:07:32.102Z","repository":{"id":68329868,"uuid":"583965419","full_name":"BlackHole-Consulting/blockchain-micropython","owner":"BlackHole-Consulting","description":"A blockchain micropython libraries for ECC, ECDSA  and network with BITCOIN BTC, Ethereum,  EOS","archived":false,"fork":false,"pushed_at":"2023-02-15T05:34:10.000Z","size":210,"stargazers_count":9,"open_issues_count":4,"forks_count":2,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-04-22T20:50:57.749Z","etag":null,"topics":["blockchain","btc","ecdsa","ecdsa-cryptography","ecdsa-signatures","encryption","eos","esp32","ethereum","micropython","rsa"],"latest_commit_sha":null,"homepage":"","language":"C","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/BlackHole-Consulting.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2022-12-31T17:12:42.000Z","updated_at":"2024-12-24T14:55:39.000Z","dependencies_parsed_at":"2023-03-24T04:19:30.151Z","dependency_job_id":null,"html_url":"https://github.com/BlackHole-Consulting/blockchain-micropython","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/BlackHole-Consulting/blockchain-micropython","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/BlackHole-Consulting%2Fblockchain-micropython","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/BlackHole-Consulting%2Fblockchain-micropython/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/BlackHole-Consulting%2Fblockchain-micropython/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/BlackHole-Consulting%2Fblockchain-micropython/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/BlackHole-Consulting","download_url":"https://codeload.github.com/BlackHole-Consulting/blockchain-micropython/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/BlackHole-Consulting%2Fblockchain-micropython/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":261618125,"owners_count":23185094,"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":["blockchain","btc","ecdsa","ecdsa-cryptography","ecdsa-signatures","encryption","eos","esp32","ethereum","micropython","rsa"],"created_at":"2024-11-17T00:18:13.190Z","updated_at":"2025-06-24T06:07:32.077Z","avatar_url":"https://github.com/BlackHole-Consulting.png","language":"C","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Blockchain Micropython Library\n\nA IOT microcontroller blockchain micropython library for EOS, ETH, BITCOIN. Esp32 controllers, St32 and others . For RTOS operating systems . ESP32, ESP8266, ST32 micro controllers .\n\n* Require at least 1 MB SRAM or PSRAM\n\n## Features\n\n- Call to nodes to send request and receive data , get info get balance , get tx, get accounts ....\n\n- Generate ECC keys\n\n- ECDSA signature\n\n- Push transactoin (Pending)\n\n\n### Requeriments\n\n\n### Installation\n\nCopy file modules to your MicroPython ports\n\n### Compile\n\n\n\n```python\n\ncd micropython/ports/esp32\n\nmake USER_C_MODULES=/YOURPATH/ports/esp32/boards/GENERIC/ucrypto/micropython.cmake BOARD=CHANGE_YOUR_BOARD  \n\n\n```\n\n\n### Flash\n\n\n```python\n\ncd build-YOURBOARD\n\nesptool.py --chip esp32 -p /dev/ttyACM0 -b 460800 --before=default_reset --after=hard_reset write_flash --flash_mode dio --flash_freq 40m --flash_size 4MB 0x1000 bootloader/bootloader.bin 0x10000 micropython.bin 0x8000 partition_table/partition-table.bin\n\n\n```\n\n### Usage\n\n\n* Install mpremote to connect by serial to your device\n\n#### Generate ECC KEYS\n\n\n\n\n```python\n\n\u003e\u003e\u003e import block\n\n\u003e\u003e\u003e block.genkeys()\n\n(100993021156667751991690912130958668616676362468173674328997328032060127345282, 62203629151545849038293504441196077946057605346371203245067596528369427053776, 68608029864182071235580165887815523170041665266793571008314538354569768684678, 'P256')\n\n\n\n```\n\n\n#### Blockchain query ( EOS private block)\n\n```python\n\nmpremote cp block.py requests.py :\n\nmp remote\n\n\n\u003e\u003e\u003e import block\n\nblock.get_info()\n\nHTTP/1.1 200 OK\naccess-control-allow-origin: *\ncontent-length: 839\ncontent-type: application/json\nserver: WebSocket++/0.7.0\nconnection: close\n\n{\"server_version\":\"26a4d285\",\"chain_id\":\"8b6404a00556c4a1ed0257869dbd41c9ba23349590f39eb90fec0eb9382469dd\",\"head_block_num\":2016452,\"last_irreversible_block_num\":2016451,\"last_irreversible_block_id\":\"001ec4c37801042fdfa0e9cb9273a581b2d166348eb33e3413c5aa7bbef27f64\",\"head_block_id\":\"001ec4c41773e88922737d74b2438ca542d4bb78aa89a19092dac619589e1472\",\"head_block_time\":\"2022-12-31T16:42:35.000\",\"head_block_producer\":\"eosio\",\"virtual_block_cpu_limit\":100000000,\"virtual_block_net_limit\":1048576000,\"block_cpu_limit\":99900,\"block_net_limit\":1048576,\"server_version_string\":\"v2.1.0\",\"fork_db_head_block_num\":2016452,\"fork_db_head_block_id\":\"001ec4c41773e88922737d74b2438ca542d4bb78aa89a19092dac619589e1472\",\"server_full_version_string\":\"v2.1.0-26a4d285d0be1052d962149e431eb81500782991\",\"last_irreversible_block_time\":\"2022-12-31T16:42:34.500\"}\n\n\n```\n\n\n\n#### Sign ECDSA \n\n```python\n\n\n\u003e\u003e\u003e block.sign(\"this is a test\",100993021156667751991690912130958668616676362468173674328997328032060127345282,)\n\n(107541375824991968821595279068801704738865834089565096653364975660063223096427, 87231512473538947533684998172244028284436404688771902937498298656736416974198)\n\n\n```\n\n## Push Transaction\n\n\n```python\n\ncooming soon\n\n\u003e\u003e\u003e block.push(from, to, amount, token, meta, private_key)\n\nexecuted transaction: f1cdf230e847a8fe582ec615364b7fdbe52f5b462efaad052c107bad90f14d3b  152 bytes  1411 us\n#   eosio.token \u003c= eosio.token::transfer        {\"from\":\"eosio\",\"to\":\"black\",\"quantity\":\"12.5000 BLACK\",\"memo\":\"This is the money I owe you\"}\n#         eosio \u003c= eosio.token::transfer        {\"from\":\"eosio\",\"to\":\"black\",\"quantity\":\"12.5000 BLACK\",\"memo\":\"This is the money I owe you\"}\n#         black \u003c= eosio.token::transfer        {\"from\":\"eosio\",\"to\":\"black\",\"quantity\":\"12.5000 BLACK\",\"memo\":\"This is the money I owe you\"}\n\n\n```\n\n### Todo List\n\nPlease feel free to add issues .\n\n\nPush transaction BTC\n\nPush Transacion ETH\n\nNetwork peers \n\nBTC, ETHEREUM explorer requests\n\nConsole interface \n\n\n## Contributors\n\nFeel free to pull request your forks !!\n\n### Authors\n\nHecathomb\n\nCitrix\n\n### Libraries from projects \n\n* ucrypto library https://github.com/dmazzella/ucrypto\n\n\n### License \n\nThis is a MIT Free library .\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fblackhole-consulting%2Fblockchain-micropython","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fblackhole-consulting%2Fblockchain-micropython","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fblackhole-consulting%2Fblockchain-micropython/lists"}