deso-protocol · lazynina · Jan 9, 2024
diff --git a/src/app/approve/approve.component.ts b/src/app/approve/approve.component.ts
@@ -43,6 +43,10 @@ import {
   TransactionMetadataUnstake,
   TransactionMetadataUnlockStake,
   TransactionMetadataUnjailValidator,
+  TransactionMetadataCoinLockup,
+  TransactionMetadataUpdateCoinLockupParams,
+  TransactionMetadataCoinLockupTransfer,
+  TransactionMetadataCoinUnlock,
 } from '../../lib/deso/transaction';
 import { ExtraData } from '../../types/identity';
 import { AccountService } from '../account.service';
@@ -310,12 +314,12 @@ export class ApproveComponent implements OnInit {
         );
         publicKeys = [daoCoinPublicKey];
         if (daoCoinMetadata.operationType === 0) {
-          const mintAmount = this.hexNanosToUnitString(
+          const mintAmount = this.hexBaseUnitsToUnitString(
             daoCoinMetadata.coinsToMintNanos
           );
           description = `mint ${mintAmount} ${daoCoinPublicKey} DAO coins`;
         } else if (daoCoinMetadata.operationType === 1) {
-          const burnAmount = this.hexNanosToUnitString(
+          const burnAmount = this.hexBaseUnitsToUnitString(
             daoCoinMetadata.coinsToBurnNanos
           );
           description = `burn ${burnAmount} ${daoCoinPublicKey} DAO coins`;
@@ -328,7 +332,7 @@ export class ApproveComponent implements OnInit {
       case TransactionMetadataTransferDAOCoin:
         const daoCoinTransferMetadata = this.transaction
           .metadata as TransactionMetadataTransferDAOCoin;
-        const daoCoinTransferAmount = this.hexNanosToUnitString(
+        const daoCoinTransferAmount = this.hexBaseUnitsToUnitString(
           daoCoinTransferMetadata.daoCoinToTransferNanos
         );
         const daoCoinTransferPublicKey = this.base58KeyCheck(
@@ -394,6 +398,7 @@ export class ApproveComponent implements OnInit {
             this.hexScaledExchangeRateToFloat(
               daoCoinLimitOrderMetadata.scaledExchangeRateCoinsToSellPerCoinToBuy
             );
+          // TODO: figure out if we need to use hexBaseUnitsToUnitString here.
           const quantityToFill = this.hexNanosToUnitString(
             daoCoinLimitOrderMetadata.quantityToFillInBaseUnits
           );
@@ -639,6 +644,75 @@ export class ApproveComponent implements OnInit {
       case TransactionMetadataUnjailValidator:
         description = 'unjail your validator';
         break;
+      case TransactionMetadataCoinLockup:
+        // NOTE: we don't need a special case for DESO right now
+        // as lockups are not allowed for DESO at this time.
+        const coinLockupMetadata = this.transaction
+          .metadata as TransactionMetadataCoinLockup;
+        const lockupAmount = this.hexBaseUnitsToUnitString(
+          coinLockupMetadata.lockupAmountBaseUnits
+        );
+        const lockupProfilePubKey = this.base58KeyCheck(
+          coinLockupMetadata.profilePublicKey
+        );
+        const lockUpRecipientPubKey = this.base58KeyCheck(
+          coinLockupMetadata.recipientPublicKey
+        );
+        publicKeys = [lockupProfilePubKey, lockUpRecipientPubKey];
+        description = `lockup ${lockupAmount} of your ${lockupProfilePubKey} coins`;
+        break;
+      case TransactionMetadataUpdateCoinLockupParams:
+        const updateCoinLockupParamsMetadata = this.transaction
+          .metadata as TransactionMetadataUpdateCoinLockupParams;
+        description =
+          `update your coin lockup params\n` +
+          `${
+            updateCoinLockupParamsMetadata.removeYieldCurvePoint
+              ? 'Remove'
+              : 'Add'
+          } yield curve point with
+          ${
+            updateCoinLockupParamsMetadata.lockupYieldAPYBasisPoints / 100
+          }% APY for a lockup of
+           ${
+             updateCoinLockupParamsMetadata.lockupYieldDurationNanoSecs
+           } nanoseconds
+          ${
+            !updateCoinLockupParamsMetadata.newLockupTransferRestrictions
+              ? ''
+              : 'and update your lockup transfer restrictions'
+          }`;
+
+        break;
+      case TransactionMetadataCoinLockupTransfer:
+        // NOTE: we don't need a special case for DESO right now
+        // as lockups are not allowed for DESO at this time.
+        const coinLockupTransferMetadata = this.transaction
+          .metadata as TransactionMetadataCoinLockupTransfer;
+        const lockupTransferAmount = this.hexBaseUnitsToUnitString(
+          coinLockupTransferMetadata.lockedCoinsToTransferBaseUnits
+        );
+        const lockupTransferProfilePubKey = this.base58KeyCheck(
+          coinLockupTransferMetadata.profilePublicKey
+        );
+        const lockupTransferRecipientPubKey = this.base58KeyCheck(
+          coinLockupTransferMetadata.recipientPublicKey
+        );
+        publicKeys = [
+          lockupTransferProfilePubKey,
+          lockupTransferRecipientPubKey,
+        ];
+        description = `transfer ${lockupTransferAmount} of your locked ${lockupTransferProfilePubKey} coins to ${lockupTransferRecipientPubKey}`;
+        break;
+      case TransactionMetadataCoinUnlock:
+        const coinUnlockMetadata = this.transaction
+          .metadata as TransactionMetadataCoinUnlock;
+        const unlockProfilePubKey = this.base58KeyCheck(
+          coinUnlockMetadata.profilePublicKey
+        );
+        publicKeys = [unlockProfilePubKey];
+        description = `unlock your locked ${unlockProfilePubKey} coins`;
+        break;
     }
 
     // Set the transaction description based on the description populated with public keys.
@@ -659,16 +733,24 @@ export class ApproveComponent implements OnInit {
     return bs58check.encode(Buffer.from([...prefix, ...keyBytes]));
   }
 
-  // TODO: create hexBaseUnitsToUnitString function to support proper
-  // DAO Coin base unit conversions.
+  // uint256 to DESO nano conversions.
   hexNanosToUnitString(nanos: Buffer): string {
     return this.nanosToUnitString(parseInt(nanos.toString('hex'), 16));
   }
 
+  // unit256 to base unit conversions.
+  hexBaseUnitsToUnitString(baseUnits: Buffer): string {
+    return this.baseUnitsToUnitString(parseInt(baseUnits.toString('hex'), 16));
+  }
+
   nanosToUnitString(nanos: number): string {
     return this.toFixedLengthDecimalString(nanos / 1e9);
   }
 
+  baseUnitsToUnitString(baseUnits: number): string {
+    return this.toFixedLengthDecimalString(baseUnits / 1e18);
+  }
+
   hexScaledExchangeRateToFloat(hex: Buffer): number {
     return parseInt(hex.toString('hex'), 16) / 1e38;
   }

diff --git a/src/app/identity.service.ts b/src/app/identity.service.ts
@@ -41,6 +41,10 @@ import {
   TransactionMetadataUnstake,
   TransactionMetadataUnlockStake,
   TransactionMetadataUnjailValidator,
+  TransactionMetadataCoinLockup,
+  TransactionMetadataUpdateCoinLockupParams,
+  TransactionMetadataCoinLockupTransfer,
+  TransactionMetadataCoinUnlock,
 } from '../lib/deso/transaction';
 import { SwalHelper } from '../lib/helpers/swal-helper';
 import { AccessLevel, PublicUserInfo } from '../types/identity';
@@ -529,6 +533,10 @@ export class IdentityService {
       case TransactionMetadataStake:
       case TransactionMetadataUnstake:
       case TransactionMetadataUnlockStake:
+      case TransactionMetadataCoinLockup:
+      case TransactionMetadataUpdateCoinLockupParams:
+      case TransactionMetadataCoinLockupTransfer:
+      case TransactionMetadataCoinUnlock:
         return AccessLevel.Full;
 
       case TransactionMetadataFollow:

diff --git a/src/lib/bindata/transcoders.ts b/src/lib/bindata/transcoders.ts
@@ -1,4 +1,9 @@
-import { bufToUvarint64, uvarint64ToBuf } from './util';
+import {
+  bufToUvarint64,
+  bufToVarint64,
+  uvarint64ToBuf,
+  varint64ToBuf,
+} from './util';
 import { TransactionNonce } from '../deso/transaction';
 
 export interface Transcoder<T> {
@@ -19,6 +24,11 @@ export const Uvarint64: Transcoder<number> = {
   write: (uint) => uvarint64ToBuf(uint),
 };
 
+export const Varint64: Transcoder<number> = {
+  read: (bytes) => bufToVarint64(bytes),
+  write: (int) => varint64ToBuf(int),
+};
+
 export const Boolean: Transcoder<boolean> = {
   read: (bytes) => [bytes.readUInt8(0) != 0, bytes.slice(1)],
   write: (bool) => {

diff --git a/src/lib/bindata/util.ts b/src/lib/bindata/util.ts
@@ -50,3 +50,21 @@ export const uint64ToBufBigEndian = (uint: number): Buffer => {
 
   return new Buffer(result.reverse());
 };
+
+// TODO: Verify these are correct....
+export const varint64ToBuf = (int: number): Buffer => {
+  let ux = BigInt(int) << BigInt(1);
+  if (int < 0) {
+    ux = ~ux;
+  }
+  return uvarint64ToBuf(Number(ux));
+};
+
+export const bufToVarint64 = (buffer: Buffer): [number, Buffer] => {
+  const [ux, n] = bufToUvarint64(buffer);
+  let x = BigInt(ux) >> BigInt(1);
+  if (ux & 1) {
+    x = ~x;
+  }
+  return [Number(x), n];
+};
diff --git a/src/lib/deso/transaction.ts b/src/lib/deso/transaction.ts
@@ -13,6 +13,7 @@ import {
   Uvarint64,
   VarBuffer,
   VarBufferArray,
+  Varint64,
 } from '../bindata/transcoders';
 
 export class TransactionInput extends BinaryRecord {
@@ -644,6 +645,61 @@ export class TransactionMetadataUnlockStake extends TransactionMetadata {
 
 export class TransactionMetadataUnjailValidator extends TransactionMetadata {}
 
+export class TransactionMetadataCoinLockup extends TransactionMetadata {
+  @Transcode(VarBuffer)
+  profilePublicKey: Buffer = Buffer.alloc(0);
+
+  @Transcode(VarBuffer)
+  recipientPublicKey: Buffer = Buffer.alloc(0);
+
+  @Transcode(Varint64)
+  unlockTimestampNanoSecs: number = 0;
+
+  @Transcode(Varint64)
+  vestingEndTimestampNanoSecs: number = 0;
+
+  // TODO: We may want a better way to handle uint256s.
+  @Transcode(BoolOptional(VarBuffer))
+  lockupAmountBaseUnits: Buffer = Buffer.alloc(0);
+}
+
+export class TransactionMetadataUpdateCoinLockupParams extends TransactionMetadata {
+  @Transcode(Varint64)
+  lockupYieldDurationNanoSecs: number = 0;
+
+  @Transcode(Uvarint64)
+  lockupYieldAPYBasisPoints: number = 0;
+
+  @Transcode(Boolean)
+  removeYieldCurvePoint: boolean = false;
+
+  @Transcode(Boolean)
+  newLockupTransferRestrictions: boolean = false;
+
+  @Transcode(Uint8)
+  lockupTransferRestrictionStatus: number = 0;
+}
+
+export class TransactionMetadataCoinLockupTransfer extends TransactionMetadata {
+  @Transcode(VarBuffer)
+  recipientPublicKey: Buffer = Buffer.alloc(0);
+
+  @Transcode(VarBuffer)
+  profilePublicKey: Buffer = Buffer.alloc(0);
+
+  @Transcode(Varint64)
+  unlockTimestampNanoSecs: number = 0;
+
+  // TODO: We may want a better way to handle uint256s.
+  @Transcode(BoolOptional(VarBuffer))
+  lockedCoinsToTransferBaseUnits: Buffer = Buffer.alloc(0);
+}
+
+export class TransactionMetadataCoinUnlock extends TransactionMetadata {
+  @Transcode(VarBuffer)
+  profilePublicKey: Buffer = Buffer.alloc(0);
+}
+
 export const TransactionTypeMetadataMap = {
   1: TransactionMetadataBlockReward,
   2: TransactionMetadataBasicTransfer,
@@ -683,6 +739,10 @@ export const TransactionTypeMetadataMap = {
   37: TransactionMetadataUnstake,
   38: TransactionMetadataUnlockStake,
   39: TransactionMetadataUnjailValidator,
+  40: TransactionMetadataCoinLockup,
+  41: TransactionMetadataUpdateCoinLockupParams,
+  42: TransactionMetadataCoinLockupTransfer,
+  43: TransactionMetadataCoinUnlock,
 };
 
 export class Transaction extends BinaryRecord {