saepenatus
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Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul
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text/typescript
"use strict";
import { toUtf8CodePoints, _toUtf8String, UnicodeNormalizationForm } from "./utf8";
type Ranged = {
l: number, // Lo value
h: number, // High value (less the lo)
d?: number, // Delta/stride (default: 1)
s?: number, // Shift (default: 1)
e?: Array<number> // Exceptions to skip
};
type Table = { [ src: number ]: Array<number> };
function bytes2(data: string): Array<number> {
if ((data.length % 4) !== 0) { throw new Error("bad data"); }
let result = [];
for (let i = 0; i < data.length; i += 4) {
result.push(parseInt(data.substring(i, i + 4), 16));
}
return result;
}
function createTable(data: string, func?: (value: string) => Array<number>): Table {
if (!func) {
func = function(value: string) { return [ parseInt(value, 16) ]; }
}
let lo = 0;
let result: Table = { };
data.split(",").forEach((pair) => {
let comps = pair.split(":");
lo += parseInt(comps[0], 16);
result[lo] = func(comps[1]);
});
return result;
}
function createRangeTable(data: string): Array<Ranged> {
let hi = 0;
return data.split(",").map((v) => {
let comps = v.split("-");
if (comps.length === 1) {
comps[1] = "0";
} else if (comps[1] === "") {
comps[1] = "1";
}
let lo = hi + parseInt(comps[0], 16);
hi = parseInt(comps[1], 16);
return { l: lo, h: hi };
});
}
function matchMap(value: number, ranges: Array<Ranged>): Ranged {
let lo = 0;
for (let i = 0; i < ranges.length; i++) {
let range = ranges[i];
lo += range.l;
if (value >= lo && value <= lo + range.h && ((value - lo) % (range.d || 1)) === 0) {
if (range.e && range.e.indexOf(value - lo) !== -1) { continue; }
return range;
}
}
return null;
}
const Table_A_1_ranges = createRangeTable("221,13-1b,5f-,40-10,51-f,11-3,3-3,2-2,2-4,8,2,15,2d,28-8,88,48,27-,3-5,11-20,27-,8,28,3-5,12,18,b-a,1c-4,6-16,2-d,2-2,2,1b-4,17-9,8f-,10,f,1f-2,1c-34,33-14e,4,36-,13-,6-2,1a-f,4,9-,3-,17,8,2-2,5-,2,8-,3-,4-8,2-3,3,6-,16-6,2-,7-3,3-,17,8,3,3,3-,2,6-3,3-,4-a,5,2-6,10-b,4,8,2,4,17,8,3,6-,b,4,4-,2-e,2-4,b-10,4,9-,3-,17,8,3-,5-,9-2,3-,4-7,3-3,3,4-3,c-10,3,7-2,4,5-2,3,2,3-2,3-2,4-2,9,4-3,6-2,4,5-8,2-e,d-d,4,9,4,18,b,6-3,8,4,5-6,3-8,3-3,b-11,3,9,4,18,b,6-3,8,4,5-6,3-6,2,3-3,b-11,3,9,4,18,11-3,7-,4,5-8,2-7,3-3,b-11,3,13-2,19,a,2-,8-2,2-3,7,2,9-11,4-b,3b-3,1e-24,3,2-,3,2-,2-5,5,8,4,2,2-,3,e,4-,6,2,7-,b-,3-21,49,23-5,1c-3,9,25,10-,2-2f,23,6,3,8-2,5-5,1b-45,27-9,2a-,2-3,5b-4,45-4,53-5,8,40,2,5-,8,2,5-,28,2,5-,20,2,5-,8,2,5-,8,8,18,20,2,5-,8,28,14-5,1d-22,56-b,277-8,1e-2,52-e,e,8-a,18-8,15-b,e,4,3-b,5e-2,b-15,10,b-5,59-7,2b-555,9d-3,5b-5,17-,7-,27-,7-,9,2,2,2,20-,36,10,f-,7,14-,4,a,54-3,2-6,6-5,9-,1c-10,13-1d,1c-14,3c-,10-6,32-b,240-30,28-18,c-14,a0,115-,3,66-,b-76,5,5-,1d,24,2,5-2,2,8-,35-2,19,f-10,1d-3,311-37f,1b,5a-b,d7-19,d-3,41,57-,68-4,29-3,5f,29-37,2e-2,25-c,2c-2,4e-3,30,78-3,64-,20,19b7-49,51a7-59,48e-2,38-738,2ba5-5b,222f-,3c-94,8-b,6-4,1b,6,2,3,3,6d-20,16e-f,41-,37-7,2e-2,11-f,5-b,18-,b,14,5-3,6,88-,2,bf-2,7-,7-,7-,4-2,8,8-9,8-2ff,20,5-b,1c-b4,27-,27-cbb1,f7-9,28-2,b5-221,56,48,3-,2-,3-,5,d,2,5,3,42,5-,9,8,1d,5,6,2-2,8,153-3,123-3,33-27fd,a6da-5128,21f-5df,3-fffd,3-fffd,3-fffd,3-fffd,3-fffd,3-fffd,3-fffd,3-fffd,3-fffd,3-fffd,3-fffd,3,2-1d,61-ff7d");
// @TODO: Make this relative...
const Table_B_1_flags = "ad,34f,1806,180b,180c,180d,200b,200c,200d,2060,feff".split(",").map((v) => parseInt(v, 16));
const Table_B_2_ranges: Array<Ranged> = [
{ h: 25, s: 32, l: 65 },
{ h: 30, s: 32, e: [ 23 ], l: 127 },
{ h: 54, s: 1, e: [ 48 ], l: 64, d: 2 },
{ h: 14, s: 1, l: 57, d: 2 },
{ h: 44, s: 1, l: 17, d: 2 },
{ h: 10, s: 1, e: [ 2, 6, 8 ], l: 61, d: 2 },
{ h: 16, s: 1, l: 68, d: 2 },
{ h: 84, s: 1, e: [ 18, 24, 66 ], l: 19, d: 2 },
{ h: 26, s: 32, e: [ 17 ], l: 435 },
{ h: 22, s: 1, l: 71, d: 2 },
{ h: 15, s: 80, l: 40 },
{ h: 31, s: 32, l: 16 },
{ h: 32, s: 1, l: 80, d: 2 },
{ h: 52, s: 1, l: 42, d: 2 },
{ h: 12, s: 1, l: 55, d: 2 },
{ h: 40, s: 1, e: [ 38 ], l: 15, d: 2 },
{ h: 14, s: 1, l: 48, d: 2 },
{ h: 37, s: 48, l: 49 },
{ h: 148, s: 1, l: 6351, d: 2 },
{ h: 88, s: 1, l: 160, d: 2 },
{ h: 15, s: 16, l: 704 },
{ h: 25, s: 26, l: 854 },
{ h: 25, s: 32, l: 55915 },
{ h: 37, s: 40, l: 1247 },
{ h: 25, s: -119711, l: 53248 },
{ h: 25, s: -119763, l: 52 },
{ h: 25, s: -119815, l: 52 },
{ h: 25, s: -119867, e: [ 1, 4, 5, 7, 8, 11, 12, 17 ], l: 52 },
{ h: 25, s: -119919, l: 52 },
{ h: 24, s: -119971, e: [ 2, 7, 8, 17 ], l: 52 },
{ h: 24, s: -120023, e: [ 2, 7, 13, 15, 16, 17 ], l: 52 },
{ h: 25, s: -120075, l: 52 },
{ h: 25, s: -120127, l: 52 },
{ h: 25, s: -120179, l: 52 },
{ h: 25, s: -120231, l: 52 },
{ h: 25, s: -120283, l: 52 },
{ h: 25, s: -120335, l: 52 },
{ h: 24, s: -119543, e: [ 17 ], l: 56 },
{ h: 24, s: -119601, e: [ 17 ], l: 58 },
{ h: 24, s: -119659, e: [ 17 ], l: 58 },
{ h: 24, s: -119717, e: [ 17 ], l: 58 },
{ h: 24, s: -119775, e: [ 17 ], l: 58 }
];
const Table_B_2_lut_abs = createTable("b5:3bc,c3:ff,7:73,2:253,5:254,3:256,1:257,5:259,1:25b,3:260,1:263,2:269,1:268,5:26f,1:272,2:275,7:280,3:283,5:288,3:28a,1:28b,5:292,3f:195,1:1bf,29:19e,125:3b9,8b:3b2,1:3b8,1:3c5,3:3c6,1:3c0,1a:3ba,1:3c1,1:3c3,2:3b8,1:3b5,1bc9:3b9,1c:1f76,1:1f77,f:1f7a,1:1f7b,d:1f78,1:1f79,1:1f7c,1:1f7d,107:63,5:25b,4:68,1:68,1:68,3:69,1:69,1:6c,3:6e,4:70,1:71,1:72,1:72,1:72,7:7a,2:3c9,2:7a,2:6b,1:e5,1:62,1:63,3:65,1:66,2:6d,b:3b3,1:3c0,6:64,1b574:3b8,1a:3c3,20:3b8,1a:3c3,20:3b8,1a:3c3,20:3b8,1a:3c3,20:3b8,1a:3c3");
const Table_B_2_lut_rel = createTable("179:1,2:1,2:1,5:1,2:1,a:4f,a:1,8:1,2:1,2:1,3:1,5:1,3:1,4:1,2:1,3:1,4:1,8:2,1:1,2:2,1:1,2:2,27:2,195:26,2:25,1:25,1:25,2:40,2:3f,1:3f,33:1,11:-6,1:-9,1ac7:-3a,6d:-8,1:-8,1:-8,1:-8,1:-8,1:-8,1:-8,1:-8,9:-8,1:-8,1:-8,1:-8,1:-8,1:-8,b:-8,1:-8,1:-8,1:-8,1:-8,1:-8,1:-8,1:-8,9:-8,1:-8,1:-8,1:-8,1:-8,1:-8,1:-8,1:-8,9:-8,1:-8,1:-8,1:-8,1:-8,1:-8,c:-8,2:-8,2:-8,2:-8,9:-8,1:-8,1:-8,1:-8,1:-8,1:-8,1:-8,1:-8,49:-8,1:-8,1:-4a,1:-4a,d:-56,1:-56,1:-56,1:-56,d:-8,1:-8,f:-8,1:-8,3:-7");
const Table_B_2_complex = createTable("df:00730073,51:00690307,19:02BC006E,a7:006A030C,18a:002003B9,16:03B903080301,20:03C503080301,1d7:05650582,190f:00680331,1:00740308,1:0077030A,1:0079030A,1:006102BE,b6:03C50313,2:03C503130300,2:03C503130301,2:03C503130342,2a:1F0003B9,1:1F0103B9,1:1F0203B9,1:1F0303B9,1:1F0403B9,1:1F0503B9,1:1F0603B9,1:1F0703B9,1:1F0003B9,1:1F0103B9,1:1F0203B9,1:1F0303B9,1:1F0403B9,1:1F0503B9,1:1F0603B9,1:1F0703B9,1:1F2003B9,1:1F2103B9,1:1F2203B9,1:1F2303B9,1:1F2403B9,1:1F2503B9,1:1F2603B9,1:1F2703B9,1:1F2003B9,1:1F2103B9,1:1F2203B9,1:1F2303B9,1:1F2403B9,1:1F2503B9,1:1F2603B9,1:1F2703B9,1:1F6003B9,1:1F6103B9,1:1F6203B9,1:1F6303B9,1:1F6403B9,1:1F6503B9,1:1F6603B9,1:1F6703B9,1:1F6003B9,1:1F6103B9,1:1F6203B9,1:1F6303B9,1:1F6403B9,1:1F6503B9,1:1F6603B9,1:1F6703B9,3:1F7003B9,1:03B103B9,1:03AC03B9,2:03B10342,1:03B1034203B9,5:03B103B9,6:1F7403B9,1:03B703B9,1:03AE03B9,2:03B70342,1:03B7034203B9,5:03B703B9,6:03B903080300,1:03B903080301,3:03B90342,1:03B903080342,b:03C503080300,1:03C503080301,1:03C10313,2:03C50342,1:03C503080342,b:1F7C03B9,1:03C903B9,1:03CE03B9,2:03C90342,1:03C9034203B9,5:03C903B9,ac:00720073,5b:00B00063,6:00B00066,d:006E006F,a:0073006D,1:00740065006C,1:0074006D,124f:006800700061,2:00610075,2:006F0076,b:00700061,1:006E0061,1:03BC0061,1:006D0061,1:006B0061,1:006B0062,1:006D0062,1:00670062,3:00700066,1:006E0066,1:03BC0066,4:0068007A,1:006B0068007A,1:006D0068007A,1:00670068007A,1:00740068007A,15:00700061,1:006B00700061,1:006D00700061,1:006700700061,8:00700076,1:006E0076,1:03BC0076,1:006D0076,1:006B0076,1:006D0076,1:00700077,1:006E0077,1:03BC0077,1:006D0077,1:006B0077,1:006D0077,1:006B03C9,1:006D03C9,2:00620071,3:00632215006B0067,1:0063006F002E,1:00640062,1:00670079,2:00680070,2:006B006B,1:006B006D,9:00700068,2:00700070006D,1:00700072,2:00730076,1:00770062,c723:00660066,1:00660069,1:0066006C,1:006600660069,1:00660066006C,1:00730074,1:00730074,d:05740576,1:05740565,1:0574056B,1:057E0576,1:0574056D", bytes2);
const Table_C_ranges = createRangeTable("80-20,2a0-,39c,32,f71,18e,7f2-f,19-7,30-4,7-5,f81-b,5,a800-20ff,4d1-1f,110,fa-6,d174-7,2e84-,ffff-,ffff-,ffff-,ffff-,ffff-,ffff-,ffff-,ffff-,ffff-,ffff-,ffff-,ffff-,2,1f-5f,ff7f-20001");
function flatten(values: Array<Array<number>>): Array<number> {
return values.reduce((accum, value) => {
value.forEach((value) => { accum.push(value); });
return accum;
}, [ ]);
}
export function _nameprepTableA1(codepoint: number): boolean {
return !!matchMap(codepoint, Table_A_1_ranges);
}
export function _nameprepTableB2(codepoint: number): Array<number> {
let range = matchMap(codepoint, Table_B_2_ranges);
if (range) { return [ codepoint + range.s ]; }
let codes = Table_B_2_lut_abs[codepoint];
if (codes) { return codes; }
let shift = Table_B_2_lut_rel[codepoint];
if (shift) { return [ codepoint + shift[0] ]; }
let complex = Table_B_2_complex[codepoint];
if (complex) { return complex; }
return null;
}
export function _nameprepTableC(codepoint: number): boolean {
return !!matchMap(codepoint, Table_C_ranges);
}
export function nameprep(value: string): string {
// This allows platforms with incomplete normalize to bypass
// it for very basic names which the built-in toLowerCase
// will certainly handle correctly
if (value.match(/^[a-z0-9-]*$/i) && value.length <= 59) { return value.toLowerCase(); }
// Get the code points (keeping the current normalization)
let codes = toUtf8CodePoints(value);
codes = flatten(codes.map((code) => {
// Substitute Table B.1 (Maps to Nothing)
if (Table_B_1_flags.indexOf(code) >= 0) { return [ ]; }
if (code >= 0xfe00 && code <= 0xfe0f) { return [ ]; }
// Substitute Table B.2 (Case Folding)
let codesTableB2 = _nameprepTableB2(code);
if (codesTableB2) { return codesTableB2; }
// No Substitution
return [ code ];
}));
// Normalize using form KC
codes = toUtf8CodePoints(_toUtf8String(codes), UnicodeNormalizationForm.NFKC);
// Prohibit Tables C.1.2, C.2.2, C.3, C.4, C.5, C.6, C.7, C.8, C.9
codes.forEach((code) => {
if (_nameprepTableC(code)) {
throw new Error("STRINGPREP_CONTAINS_PROHIBITED");
}
});
// Prohibit Unassigned Code Points (Table A.1)
codes.forEach((code) => {
if (_nameprepTableA1(code)) {
throw new Error("STRINGPREP_CONTAINS_UNASSIGNED");
}
});
// IDNA extras
let name = _toUtf8String(codes);
// IDNA: 4.2.3.1
if (name.substring(0, 1) === "-" || name.substring(2, 4) === "--" || name.substring(name.length - 1) === "-") {
throw new Error("invalid hyphen");
}
// IDNA: 4.2.4
if (name.length > 63) { throw new Error("too long"); }
return name;
}