assafmo’s gists

assafmo / stride-vanity-address.ts

Last active December 13, 2024 20:35

Create bech32 vanity addresses for testing purposes

	// pnpm init
	// pnpm i -D bech32 ts-node @types/node
	// npx ts-node stride-vanity-address.ts

	import { bech32 } from "bech32";

	// Debug: Test all possible values to find what maps to "1"
	for (let i = 0; i < 32; i++) {
	const test = bech32.encode("stride", [i]);
	console.log(`Value ${i} maps to ${test.charAt(7)}`);

assafmo / signverify_test.go

Created July 23, 2024 12:33

	func TestVerifySignature(t *testing.T) {
	txBytes := []byte{
	10, 234, 1, 10, 131, /// ...
	}

	cdc := MakeEncodingConfig()

	var tx sdktx.Tx
	err := cdc.Codec.Unmarshal(txBytes, &tx)
	require.NoError(t, err)

assafmo / evmos_address.py

Created June 30, 2024 16:59

	eth_address = "0x" + hex(keccak256(pubkey_raw)[-20:])
	cosmos_address = bech32(prefix, ripemd160(sha256(pubkey_compressed)))
	cosmos_evmos_address = bech32(prefix, keccak256(pubkey_raw)[-20:])

assafmo / fml.ts

Created June 27, 2024 17:54

	import { fromBase64, fromHex, toBase64, toHex } from "secretjs";
	import { TxRaw } from "secretjs/dist/protobuf/cosmos/tx/v1beta1/tx";
	import { sha256 } from "@noble/hashes/sha256";

	async function main() {
	const txhash =
	"2b324cd8d36ace2ff1d26145df2109bbaec9d508aa465d36ff88fcd72aa985a8".toUpperCase();

	const tcpStream = fromHex(
	[

assafmo / whisper3-json-to-srt.py

Last active July 1, 2024 12:54

	#!/usr/bin/env python3

	# Usage: ./whisper3-json-to-srt.py output.json > output.srt

	import sys
	import json

	if len(sys.argv) > 1 and sys.argv[1] != '-':
	with open(sys.argv[1]) as file:
	data = json.load(file)

assafmo / main.ts

Created March 19, 2024 09:31

Manually send an IBC timeout

	// Run this code with `ts-node main.ts`

	import { IbcClient, Link } from "@confio/relayer";
	import { stringToPath } from "@cosmjs/crypto";
	import { DirectSecp256k1HdWallet } from "@cosmjs/proto-signing";
	import { GasPrice } from "@cosmjs/stargate";
	import Long from "long";
	import { fromHex } from "secretjs";

	export async function createIbcConnection(): Promise<Link> {

assafmo / pulsar-2-goleveldb-crash.txt

Last active March 26, 2023 11:33

	fatal error: unexpected signal during runtime execution
	[signal SIGSEGV: segmentation violation code=0x2 addr=0x7f12160ac000 pc=0x7f125f3d931f]
	runtime stack:
	runtime.throw({0x1c913b1?, 0x7f125f3d92d6?})
	/usr/local/go/src/runtime/panic.go:1047 +0x5d fp=0x7f12168aacd0 sp=0x7f12168aaca0 pc=0x44189d
	runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:819 +0x369 fp=0x7f12168aad20 sp=0x7f12168aacd0 pc=0x458389
	goroutine 1 [syscall]:
	runtime.cgocall(0x187fe50, 0xc004846138)
	/usr/local/go/src/runtime/cgocall.go:158 +0x5c fp=0xc0048460a0 sp=0xc004846068 pc=0x40b79c

assafmo / amino-vs-direct.ts

Last active January 30, 2023 21:44

	import {
	BroadcastMode,
	coinsFromString,
	SecretNetworkClient,
	Wallet,
	} from "secretjs";
	import { BaseAccount } from "secretjs/dist/grpc_gateway/cosmos/auth/v1beta1/auth.pb";
	import { AminoWallet } from "secretjs/dist/wallet_amino";

	function sleep(ms: number) {

assafmo / when_last_block.sh

Created October 11, 2022 08:57

Last block

	watch $'curl -s localhost:26657/status \|
	jq .result.sync_info.latest_block_time \|
	perl -pe "s/\.\d+Z/Z/" \|
	jq -r \'"Last block: " + (now - (. \| fromdate) \| floor \| tostring) + " seconds ago"\''

assafmo / Calculate upgrade height

Last active October 10, 2023 06:06

	#!/bin/bash

	# https://gist.github.com/assafmo/01d7ee0d131a99518d2a4189a9250460

	BLOCK_WINDOW="${1}" # e.g. 100000 blocks in the past
	UPGRADE_TIME="${2}" # e.g. 2023-03-02T19:07:13Z
	LCD="${3}" # e.g. https://lcd.secret.express or https://api.pulsar.scrttestnet.com

	LATEST="$(curl -s "$LCD/cosmos/base/tendermint/v1beta1/blocks/latest")"

	watch $'curl -s localhost:26657/status \|
	jq .result.sync_info.latest_block_time \|
	perl -pe "s/\.\d+Z/Z/" \|
	jq -r \'"Last block: " + (now - (. \| fromdate) \| floor \| tostring) + " seconds ago"\''

Assaf Morami assafmo