Turns out I was lucky with my vanity text, not all characters are possible for the last character of the IPFS hash
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Suzanne Soy
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commit
7a2de3edff
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@ -1 +1 @@
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jsonp_ipfs_directory_hashes({"vanity_text":"soy","vanity_number":4686,"tree":{"Links":[{"Name":".gitignore","Hash":"QmW9iMXzmPqLSnzL4p6DKsvsL3nC1xKS3teRB4SRdukfrz","Size":16},{"Name":".ipfsignore","Hash":"QmWMeSQQxuSYMddVwJGrnn12zrX1TTW7ueZbhZdaZ64Wr1","Size":14},{"Name":"directory_hashes.js","Hash":"","Size":0},{"Name":"find_vanity.js","Hash":"QmZVGHM7i74w275noxHhuLRWmJFTVjzTeXUdzamYaLTXAQ","Size":354},{"Name":"flake.lock","Hash":"QmV1UZtzknzjmyaJyvR7NHFCJ15FbFbS9bHBxTfyRMuNqg","Size":519},{"Name":"flake.nix","Hash":"QmZhzTNT98Z5z7MSJMUDo4A3AMtRFVEBx4paH5GJKharEL","Size":856},{"Name":"index.html","Hash":"QmZaXPFa47VxJNsNcaejw7R9GNPGCF5FjkSCDrvrmBAeP9","Size":553},{"Name":"ipfs-add.sh","Hash":"QmTptVSLh5gqRqUcHrKcv2fdVgY2UmPbwftwQHzSDeqACF","Size":173},{"Name":"lzw.js","Hash":"QmP2CsTDmyR9h5UrXJgXGswyMhiSHBZkQKLszdgh9Eb8Rk","Size":2034},{"Name":"micro_ipfs.js","Hash":"QmcMJvWL45dHLwaL36AeM2NG6xrzudtmTN7mCpt3cuKnnX","Size":15515},{"Name":"quine.js","Hash":"QmcHWTtgH53KkaSsWEvTxKDuuTNxipC3iJyebS3BBuF21B","Size":3099},{"Name":"result","Hash":"QmeG1ZJKGVenSC1VBx9D1nzv1bma7zHMHGMp6nUL5izs9i","Size":73},{"Name":"robots.txt","Hash":"QmSqhdBa5ryzgjN41hL8rM98hjunXashEuLRW8PnKLH5yq","Size":49},{"Name":"sha256.js","Hash":"QmRhgx5Fq4JqfCgsPcMxNSYwt8M9WRBkec9omPWzJ7gdwL","Size":8553},{"Name":"sitemap.txt","Hash":"QmWsbCRCFoLa7AKdHmx8Mt6nV1jxpqEjdbAxZp1pH7tZQr","Size":548},{"Name":"update_directory_hashes.sh","Hash":"QmbgPpzKC6vNxsnKUvZSjCtUmTofwRxJKdKQ6pJFpGWRgC","Size":1695},{"Name":"update_quine.sh","Hash":"QmVZY9bqdiopA4BaxNRwJr5AWLbE8ikb19dAJoKCNENNez","Size":3029}],"Data":"\b\u0001"}});
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jsonp_ipfs_directory_hashes({"vanity_text":"soy","vanity_number":11763,"tree":{"Links":[{"Name":".gitignore","Hash":"QmW9iMXzmPqLSnzL4p6DKsvsL3nC1xKS3teRB4SRdukfrz","Size":16},{"Name":".ipfsignore","Hash":"QmWMeSQQxuSYMddVwJGrnn12zrX1TTW7ueZbhZdaZ64Wr1","Size":14},{"Name":"directory_hashes.js","Hash":"","Size":0},{"Name":"find_vanity.js","Hash":"QmVrVdE8TP4Di1h39LTtDCmDSFRgy7FQnZWrSBPdDHy8Hx","Size":358},{"Name":"flake.lock","Hash":"QmV1UZtzknzjmyaJyvR7NHFCJ15FbFbS9bHBxTfyRMuNqg","Size":519},{"Name":"flake.nix","Hash":"QmZhzTNT98Z5z7MSJMUDo4A3AMtRFVEBx4paH5GJKharEL","Size":856},{"Name":"index.html","Hash":"QmZaXPFa47VxJNsNcaejw7R9GNPGCF5FjkSCDrvrmBAeP9","Size":553},{"Name":"ipfs-add.sh","Hash":"QmPvQrob4PzEJXwxEVhBHEXjnESsMR2f7LJ1nbfAoo8A6G","Size":169},{"Name":"lzw.js","Hash":"QmP2CsTDmyR9h5UrXJgXGswyMhiSHBZkQKLszdgh9Eb8Rk","Size":2034},{"Name":"micro_ipfs.js","Hash":"QmeWPj4vzN66eCUwQkjjzTgfciBLBzNjQQdvqEBL8x1pmh","Size":16738},{"Name":"quine.js","Hash":"QmcHWTtgH53KkaSsWEvTxKDuuTNxipC3iJyebS3BBuF21B","Size":3099},{"Name":"result","Hash":"QmYaABXhasB9Vyn8Sk3KkixsKp4yvXxaCwmXGxFCHGCwwr","Size":73},{"Name":"robots.txt","Hash":"QmSqhdBa5ryzgjN41hL8rM98hjunXashEuLRW8PnKLH5yq","Size":49},{"Name":"sha256.js","Hash":"QmRhgx5Fq4JqfCgsPcMxNSYwt8M9WRBkec9omPWzJ7gdwL","Size":8553},{"Name":"sitemap.txt","Hash":"QmWsbCRCFoLa7AKdHmx8Mt6nV1jxpqEjdbAxZp1pH7tZQr","Size":548},{"Name":"update_directory_hashes.sh","Hash":"QmQLSE6rJCSeKfgM7U3hKanRMfdcaUWSxwXd1wa39iS6qC","Size":1780},{"Name":"update_quine.sh","Hash":"QmVZY9bqdiopA4BaxNRwJr5AWLbE8ikb19dAJoKCNENNez","Size":3029}],"Data":"\b\u0001"}});
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@ -2,4 +2,4 @@ const fs = require("fs");
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const micro_ipfs = require('./micro_ipfs.js');
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const jsonp = fs.readFileSync(process.argv[2], 'utf-8');
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const directory_hashes = JSON.parse(jsonp.substring('jsonp_ipfs_directory_hashes('.length, jsonp.length - ');\n'.length));
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console.log(micro_ipfs.ipfs_self_hash.find_vanity_node(null, process.argv[3], 0, directory_hashes));
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console.log(micro_ipfs.ipfs_self_hash.find_vanity_node(process.argv[3], 0, directory_hashes));
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2
ipfs-add.sh
Normal file → Executable file
2
ipfs-add.sh
Normal file → Executable file
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@ -1,3 +1,3 @@
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#!/usr/bin/env bash
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set -euET -o pipefail
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ipfs cid base32 "$(ipfs add --ignore-rules-path result/www/.ipfsignore --pin=false --hidden -Qr "$(dirname "$0")/www")"
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ipfs cid base32 "$(ipfs add --ignore-rules-path result/www/.ipfsignore --pin=false --hidden -Qr "$(dirname "$0")")"
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@ -336,16 +336,31 @@ var ipfs_self_hash = (function() {
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var expected_vanity_attempt = 32*32*32;
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var max_vanity_attempt = expected_vanity_attempt*10;
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function find_vanity_node(old_root, vanity_text, vanity_attempt, ipfs_directory_hashes) {
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function find_vanity_node(vanity_text, vanity_attempt, ipfs_directory_hashes) {
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if ((! (typeof vanity_text == 'string' || vanity_text instanceof String)) || vanity_text.length != 3) {
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throw 'find_vanity_node(vanity_text, ...) : expected a string of length 3';
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}
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var offset = 1;
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switch (vanity_text[2]) {
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case '4':
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case 'a':
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case 'e':
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case 'i':
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case 'm':
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case 'q':
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case 'u':
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case 'y':
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offset = 0;
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}
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while (true) {
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if (vanity_attempt > max_vanity_attempt) {
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// give up:
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return null;
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throw 'Failed to brute-force a number that generates the desired vanity text.';
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} else {
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var root = get_root_with_vanity(vanity_attempt, ipfs_directory_hashes);
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if (root.hash[root.hash.length-1] == vanity_text[2] && root.hash[root.hash.length-2] == vanity_text[1]) {
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if (root.hash[root.hash.length-1-offset] == vanity_text[2] && root.hash[root.hash.length-2-offset] == vanity_text[1]) {
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console.error(vanity_attempt + ' (' + Math.floor(100*vanity_attempt/expected_vanity_attempt) + '%)');
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if (root.hash[root.hash.length-3] == vanity_text[0]) {
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if (root.hash[root.hash.length-3-offset] == vanity_text[0]) {
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return vanity_attempt;
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}
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}
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@ -354,25 +369,44 @@ var ipfs_self_hash = (function() {
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}
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};
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function find_vanity_browser(old_root, vanity_text, vanity_attempt, callback, ipfs_directory_hashes) {
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function find_vanity_browser_(offset, old_root, vanity_text, vanity_attempt, callback, ipfs_directory_hashes) {
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var root = get_root_with_vanity(vanity_attempt, ipfs_directory_hashes);
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if (vanity_attempt > max_vanity_attempt) {
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// give up:
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root = get_root_with_vanity(ipfs_directory_hashes.vanity_number, ipfs_directory_hashes)
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callback(root, 'timeout', false);
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} else {
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if (root.hash[root.hash.length-1] == vanity_text[2]) {
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if (root.hash[root.hash.length-1-offset] == vanity_text[2]) {
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callback(old_root, '… ' + vanity_attempt + ' (' + Math.floor(100*vanity_attempt/expected_vanity_attempt) + '%)', false);
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if (root.hash[root.hash.length-2] == vanity_text[1] && root.hash[root.hash.length-3] == vanity_text[0]) {
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if (root.hash[root.hash.length-2-offset] == vanity_text[1] && root.hash[root.hash.length-3-offset] == vanity_text[0]) {
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callback(root, vanity_attempt, true);
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} else {
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window.setTimeout(function() { find_vanity_browser(old_root, vanity_text, vanity_attempt + 1, callback, ipfs_directory_hashes); }, 0);
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window.setTimeout(function() { find_vanity_browser_(offset, old_root, vanity_text, vanity_attempt + 1, callback, ipfs_directory_hashes); }, 0);
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}
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} else {
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window.setTimeout(function() { find_vanity_browser(old_root, vanity_text, vanity_attempt + 1, callback, ipfs_directory_hashes); }, 0);
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window.setTimeout(function() { find_vanity_browser_(offset, old_root, vanity_text, vanity_attempt + 1, callback, ipfs_directory_hashes); }, 0);
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}
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}
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};
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var find_vanity_browser = function(old_root, vanity_text, vanity_attempt, callback, ipfs_directory_hashes) {
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if ((! (typeof vanity_text == 'string' || vanity_text instanceof String)) || vanity_text.length != 3) {
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throw 'find_vanity_node(vanity_text, ...) : expected a string of length 3';
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}
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var offset = 1;
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switch (vanity_text[2]) {
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case '4':
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case 'a':
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case 'e':
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case 'i':
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case 'm':
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case 'q':
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case 'u':
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case 'y':
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offset = 0;
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}
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return find_vanity_browser(offset, old_root, vanity_text, vanity_attempt, callback, ipfs_directory_hashes)
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};
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var debug = function(show_link) {
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var root = get_root_with_vanity(ipfs_directory_hashes.vanity_number, ipfs_directory_hashes);
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@ -2,14 +2,14 @@
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set -euET -o pipefail
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vanity_text="${1:-xyz}"
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directory="${2:-.}"
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directory="${1:-.}"
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vanity_text="${2:-}"
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temp_file="$(mktemp)"
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hexdump="$(mktemp)"
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if test -z "$vanity_text" -o "$vanity_text" = "-h" -o "$vanity_text" = "--help"; then
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echo 'Usage: ./update-hashes.sh vanity-text [path/to/directory]'
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echo 'Usage: ./update-hashes.sh [path/to/directory] [vanity-text]'
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echo 'The given directory should contain a file named meta.js, which will be overwritten.'
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echo 'The vanity text should be three letters, which will appear at the end of your website'\''s hash'
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exit 1
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@ -33,9 +33,11 @@ write_directory_hashes() {
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}
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write_directory_hashes "0"
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vanity_number="$(node "$(dirname "$0")/find_vanity.js" "$directory/directory_hashes.js" "$vanity_text")"
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printf 'Found vanity number: %s\n' $vanity_number >&2
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write_directory_hashes "$vanity_number"
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if test -n "$vanity_text"; then
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vanity_number="$(node "$(dirname "$0")/find_vanity.js" "$directory/directory_hashes.js" "$vanity_text")"
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printf 'Found vanity number: %s\n' $vanity_number >&2
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write_directory_hashes "$vanity_number"
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fi
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echo "The hash given by the page should be:" >&2
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printf 'ipfs://%s\n' "$(ipfs cid base32 "$(ipfs add --ignore-rules-path "$directory/.ipfsignore" --hidden -Qr "$directory")")"
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