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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 | 12x 12x 12x 12x 12x 6x 6x 12x 3x 3x 3x 12x 4x 4x 4x 12x 27x 27x 27x 27x 11x 27x 6x 27x 27x 21x 27x 12x 9x 9x 6x 6x 6x 1x 1x 1x 1x 2x 2x 2x 2x | import {
PostConditionType,
FungibleConditionCode,
NonFungibleConditionCode,
} from './common/constants';
import {
serializeAssetInfo,
deserializeAssetInfo,
serializePrincipal,
deserializePrincipal,
parseAssetInfoString,
parsePrincipalString,
} from './types';
import {
AssetInfo,
ClarityValue,
deserializeCV,
PostConditionPrincipal,
serializeCV,
StacksMessageType,
} from 'micro-stacks/clarity';
import {
BufferArray,
BufferReader,
bytesToHex,
DeserializationError,
IntegerType,
intToBigInt,
intToBytes,
} from 'micro-stacks/common';
export type PostCondition = STXPostCondition | FungiblePostCondition | NonFungiblePostCondition;
export interface STXPostCondition {
readonly type: StacksMessageType.PostCondition;
readonly conditionType: PostConditionType.STX;
readonly principal: PostConditionPrincipal;
readonly conditionCode: FungibleConditionCode;
readonly amount: bigint;
}
export function createSTXPostCondition(
principal: string | PostConditionPrincipal,
conditionCode: FungibleConditionCode,
amount: IntegerType
): STXPostCondition {
Iif (typeof principal === 'string') principal = parsePrincipalString(principal);
return {
type: StacksMessageType.PostCondition,
conditionType: PostConditionType.STX,
principal,
conditionCode,
amount: intToBigInt(amount, false),
};
}
export interface FungiblePostCondition {
readonly type: StacksMessageType.PostCondition;
readonly conditionType: PostConditionType.Fungible;
readonly principal: PostConditionPrincipal;
readonly conditionCode: FungibleConditionCode;
readonly amount: bigint;
readonly assetInfo: AssetInfo;
}
export function createFungiblePostCondition(
principal: string | PostConditionPrincipal,
conditionCode: FungibleConditionCode,
amount: IntegerType,
assetInfo: string | AssetInfo
): FungiblePostCondition {
Iif (typeof principal === 'string') principal = parsePrincipalString(principal);
Iif (typeof assetInfo === 'string') assetInfo = parseAssetInfoString(assetInfo);
return {
type: StacksMessageType.PostCondition,
conditionType: PostConditionType.Fungible,
principal,
conditionCode,
amount: intToBigInt(amount, false),
assetInfo,
};
}
export interface NonFungiblePostCondition {
readonly type: StacksMessageType.PostCondition;
readonly conditionType: PostConditionType.NonFungible;
readonly principal: PostConditionPrincipal;
readonly conditionCode: NonFungibleConditionCode;
/** Structure that identifies the token type. */
readonly assetInfo: AssetInfo;
/** The Clarity value that names the token instance. */
readonly assetName: ClarityValue;
}
export function createNonFungiblePostCondition(
principal: string | PostConditionPrincipal,
conditionCode: NonFungibleConditionCode,
assetInfo: string | AssetInfo,
assetName: ClarityValue
): NonFungiblePostCondition {
if (typeof principal === 'string') principal = parsePrincipalString(principal);
if (typeof assetInfo === 'string') assetInfo = parseAssetInfoString(assetInfo);
return {
type: StacksMessageType.PostCondition,
conditionType: PostConditionType.NonFungible,
principal,
conditionCode,
assetInfo,
assetName,
};
}
export function serializePostCondition(postCondition: PostCondition): Uint8Array {
const bufferArray: BufferArray = new BufferArray();
bufferArray.appendByte(postCondition.conditionType);
bufferArray.push(serializePrincipal(postCondition.principal));
if (
postCondition.conditionType === PostConditionType.Fungible ||
postCondition.conditionType === PostConditionType.NonFungible
) {
bufferArray.push(serializeAssetInfo(postCondition.assetInfo));
}
if (postCondition.conditionType === PostConditionType.NonFungible) {
bufferArray.push(serializeCV(postCondition.assetName));
}
bufferArray.appendByte(postCondition.conditionCode);
if (
postCondition.conditionType === PostConditionType.STX ||
postCondition.conditionType === PostConditionType.Fungible
) {
bufferArray.push(intToBytes(postCondition.amount, false, 8));
}
return bufferArray.concatBuffer();
}
export function deserializePostCondition(bufferReader: BufferReader): PostCondition {
const postConditionType = bufferReader.readUInt8Enum(PostConditionType, n => {
throw new DeserializationError(`Could not read ${n} as PostConditionType`);
});
const principal = deserializePrincipal(bufferReader);
let conditionCode;
let assetInfo;
let amount: bigint;
switch (postConditionType) {
case PostConditionType.STX:
conditionCode = bufferReader.readUInt8Enum(FungibleConditionCode, n => {
throw new DeserializationError(`Could not read ${n} as FungibleConditionCode`);
});
amount = BigInt('0x' + bytesToHex(bufferReader.readBuffer(8)));
return {
type: StacksMessageType.PostCondition,
conditionType: PostConditionType.STX,
principal,
conditionCode,
amount,
};
case PostConditionType.Fungible:
assetInfo = deserializeAssetInfo(bufferReader);
conditionCode = bufferReader.readUInt8Enum(FungibleConditionCode, n => {
throw new DeserializationError(`Could not read ${n} as FungibleConditionCode`);
});
amount = BigInt('0x' + bytesToHex(bufferReader.readBuffer(8)));
return {
type: StacksMessageType.PostCondition,
conditionType: PostConditionType.Fungible,
principal,
conditionCode,
amount,
assetInfo,
};
case PostConditionType.NonFungible:
assetInfo = deserializeAssetInfo(bufferReader);
const assetName = deserializeCV(bufferReader);
conditionCode = bufferReader.readUInt8Enum(NonFungibleConditionCode, n => {
throw new DeserializationError(`Could not read ${n} as FungibleConditionCode`);
});
return {
type: StacksMessageType.PostCondition,
conditionType: PostConditionType.NonFungible,
principal,
conditionCode,
assetInfo,
assetName,
};
}
}
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