From d9ad938b521ad316f5fb6a80f260b77b80a0e864 Mon Sep 17 00:00:00 2001 From: Ian Coleman Date: Thu, 11 Feb 2021 02:13:23 +0000 Subject: Add Cosmos Hub (ATOM) support Closes #452, thanks @conr2d --- src/js/cosmos-util.js | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 src/js/cosmos-util.js (limited to 'src/js/cosmos-util.js') diff --git a/src/js/cosmos-util.js b/src/js/cosmos-util.js new file mode 100644 index 0000000..a7f4605 --- /dev/null +++ b/src/js/cosmos-util.js @@ -0,0 +1,13 @@ +function CosmosBufferToPublic(pubBuf) { + const Buffer = libs.buffer.Buffer; + const AminoSecp256k1PubkeyPrefix = Buffer.from("EB5AE987", "hex"); + const AminoSecp256k1PubkeyLength = Buffer.from("21", "hex"); + pubBuf = Buffer.concat([AminoSecp256k1PubkeyPrefix, AminoSecp256k1PubkeyLength, pubBuf]); + return libs.bech32.encode("cosmospub", libs.bech32.toWords(pubBuf)); +} + +function CosmosBufferToAddress(pubBuf) { + const sha256_ed = libs.createHash("sha256").update(pubBuf).digest(); + const ripemd160_ed = libs.createHash("rmd160").update(sha256_ed).digest(); + return libs.bech32.encode("cosmos", libs.bech32.toWords(ripemd160_ed)); +} -- cgit v1.2.3