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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 | 3x 3x 3x 3x 3x 3x 4x 4x 4x 4x 4x 4x 4x 4x 4x 8x 1x | import { BytesLike, concat, isBytes, toUtf8Bytes } from "ethers/lib/utils";
import { Serializable } from "../common/Serializable";
import {
DATA_PACKAGES_COUNT_BS,
REDSTONE_MARKER_HEX,
UNSIGNED_METADATA_BYTE_SIZE_BS,
} from "../common/redstone-constants";
import { convertIntegerNumberToBytes } from "../common/utils";
import { SignedDataPackage } from "../data-package/SignedDataPackage";
import {
RedstonePayloadParser,
RedstonePayloadParsingResult,
} from "./RedstonePayloadParser";
export class RedstonePayload extends Serializable {
constructor(
public readonly signedDataPackages: SignedDataPackage[],
public readonly unsignedMetadata: BytesLike
) {
super();
}
public static prepare(
signedDataPackages: SignedDataPackage[],
unsignedMetadata: BytesLike
): string {
return new RedstonePayload(
signedDataPackages,
unsignedMetadata
).toBytesHexWithout0xPrefix();
}
toObj() {
return {
signedDataPackages: this.signedDataPackages.map((signedDataPackage) =>
signedDataPackage.toObj()
),
unsignedMetadata: this.unsignedMetadata,
};
}
toBytes(): Uint8Array {
return concat([
this.serializeSignedDataPackages(),
this.serializeUnsignedMetadata(),
REDSTONE_MARKER_HEX,
]);
}
serializeUnsignedMetadata(): Uint8Array {
const unsignedMetadataBytes = isBytes(this.unsignedMetadata)
? this.unsignedMetadata
: toUtf8Bytes(this.unsignedMetadata);
const unsignedMetadataByteSizeBytes = convertIntegerNumberToBytes(
unsignedMetadataBytes.length,
UNSIGNED_METADATA_BYTE_SIZE_BS
);
return concat([unsignedMetadataBytes, unsignedMetadataByteSizeBytes]);
}
serializeSignedDataPackages(): Uint8Array {
return concat([
...this.signedDataPackages.map((signedDataPackage) =>
signedDataPackage.toBytes()
),
convertIntegerNumberToBytes(
this.signedDataPackages.length,
DATA_PACKAGES_COUNT_BS
),
]);
}
public static parse(
bytesWithRedstonePayloadInTheEnd: Uint8Array
): RedstonePayloadParsingResult {
return new RedstonePayloadParser(bytesWithRedstonePayloadInTheEnd).parse();
}
}
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