@samitouri / QOSAMI-cakewallet
Code Commits Issues Pulls Sessions CI/CD
dev
dev
dart 104 lines 2.9 KB
Raw
1 import "package:cw_core/amount/money.dart";
2 import "package:cw_core/spl_token.dart";
3 import "package:flutter_test/flutter_test.dart";
4
5 void main() {
6 group("SPL token raw amounts", () {
7 test("6 decimal token renders raw base units", () {
8 final jup = SPLToken(
9 name: "Jupiter",
10 symbol: "JUP",
11 mint: "jup",
12 mintAddress: "JUPyiwrYJFskUPiHa7hkeR8VUtAeFoSYbKedZNsDvCN",
13 decimal: 6,
14 );
15
16 expect(Money(BigInt.from(100000), jup).toStringWithPrecision(), "0.1");
17 expect(Money(BigInt.from(931614), jup).toStringWithPrecision(), "0.931614");
18 });
19
20 test("8 decimal token renders raw base units", () {
21 final xstock = SPLToken(
22 name: "Amazon xStock",
23 symbol: "AMZNX",
24 mint: "amznx",
25 mintAddress: "mintAddressWithEightDecimals",
26 decimal: 8,
27 );
28
29 expect(Money(BigInt.from(341694), xstock).toStringWithPrecision(), "0.00341694");
30 });
31
32 test("the same raw amount means different values per decimals", () {
33 final raw = BigInt.from(100000);
34
35 final six = SPLToken(
36 name: "Six",
37 symbol: "SIX",
38 mint: "six",
39 mintAddress: "mintAddressWithSixDecimals",
40 decimal: 6,
41 );
42
43 final nine = SPLToken(
44 name: "Nine",
45 symbol: "NINE",
46 mint: "nine",
47 mintAddress: "mintAddressWithNineDecimals",
48 decimal: 9,
49 );
50
51 final zero = SPLToken(
52 name: "Zero",
53 symbol: "ZERO",
54 mint: "zero",
55 mintAddress: "mintAddressWithZeroDecimals",
56 decimal: 0,
57 );
58
59 expect(Money(raw, six).toStringWithPrecision(), "0.1");
60 expect(Money(raw, nine).toStringWithPrecision(), "0.0001");
61 expect(Money(raw, zero).toStringWithPrecision(), "100000");
62 });
63 });
64
65 group("SPL token amount parsing", () {
66 test("parses whole amounts for a zero decimal token", () {
67 final zero = SPLToken(
68 name: "Zero",
69 symbol: "ZERO",
70 mint: "zero",
71 mintAddress: "mintAddressWithZeroDecimals",
72 decimal: 0,
73 );
74
75 expect(Money.parse("5", zero).amount, BigInt.from(5));
76 expect(Money.parse("0", zero).amount, BigInt.zero);
77 });
78
79 test("parses fractional amounts for a 6 decimal token", () {
80 final jup = SPLToken(
81 name: "Jupiter",
82 symbol: "JUP",
83 mint: "jup",
84 mintAddress: "JUPyiwrYJFskUPiHa7hkeR8VUtAeFoSYbKedZNsDvCN",
85 decimal: 6,
86 );
87
88 expect(Money.parse("0.1", jup).amount, BigInt.from(100000));
89 expect(Money.parse("10.339089", jup).amount, BigInt.from(10339089));
90 });
91
92 test("rejects more fractional digits than the token has decimals", () {
93 final zero = SPLToken(
94 name: "Zero",
95 symbol: "ZERO",
96 mint: "zero",
97 mintAddress: "mintAddressWithZeroDecimals",
98 decimal: 0,
99 );
100
101 expect(() => Money.parse("5.5", zero), throwsFormatException);
102 });
103 });
104 }