Merge pull request #480 from Emurgo/evgenii/tx-batch-builder

Send all batching

Author: lisicky

rust/pkg/cardano_serialization_lib.js.flow

@@ -5,6 +5,62 @@
  * @flow
  */
 
+/**
+ * @param {string} json
+ * @param {number} schema
+ * @returns {PlutusData}
+ */
+declare export function encode_json_str_to_plutus_datum(
+  json: string,
+  schema: number
+): PlutusData;
+
+/**
+ * @param {PlutusData} datum
+ * @param {number} schema
+ * @returns {string}
+ */
+declare export function decode_plutus_datum_to_json_str(
+  datum: PlutusData,
+  schema: number
+): string;
+
+/**
+ * @param {Uint8Array} bytes
+ * @returns {TransactionMetadatum}
+ */
+declare export function encode_arbitrary_bytes_as_metadatum(
+  bytes: Uint8Array
+): TransactionMetadatum;
+
+/**
+ * @param {TransactionMetadatum} metadata
+ * @returns {Uint8Array}
+ */
+declare export function decode_arbitrary_bytes_from_metadatum(
+  metadata: TransactionMetadatum
+): Uint8Array;
+
+/**
+ * @param {string} json
+ * @param {number} schema
+ * @returns {TransactionMetadatum}
+ */
+declare export function encode_json_str_to_metadatum(
+  json: string,
+  schema: number
+): TransactionMetadatum;
+
+/**
+ * @param {TransactionMetadatum} metadatum
+ * @param {number} schema
+ * @returns {string}
+ */
+declare export function decode_metadatum_to_json_str(
+  metadatum: TransactionMetadatum,
+  schema: number
+): string;
+
 /**
  * @param {Transaction} tx
  * @param {LinearFee} linear_fee
@@ -32,30 +88,6 @@ declare export function min_script_fee(
   ex_unit_prices: ExUnitPrices
 ): BigNum;
 
-/**
- * @param {string} password
- * @param {string} salt
- * @param {string} nonce
- * @param {string} data
- * @returns {string}
- */
-declare export function encrypt_with_password(
-  password: string,
-  salt: string,
-  nonce: string,
-  data: string
-): string;
-
-/**
- * @param {string} password
- * @param {string} data
- * @returns {string}
- */
-declare export function decrypt_with_password(
-  password: string,
-  data: string
-): string;
-
 /**
  * @param {TransactionHash} tx_body_hash
  * @param {ByronAddress} addr
@@ -195,60 +227,40 @@ declare export function encode_json_str_to_native_script(
 ): NativeScript;
 
 /**
- * @param {Uint8Array} bytes
- * @returns {TransactionMetadatum}
- */
-declare export function encode_arbitrary_bytes_as_metadatum(
-  bytes: Uint8Array
-): TransactionMetadatum;
-
-/**
- * @param {TransactionMetadatum} metadata
- * @returns {Uint8Array}
- */
-declare export function decode_arbitrary_bytes_from_metadatum(
-  metadata: TransactionMetadatum
-): Uint8Array;
-
-/**
- * @param {string} json
- * @param {number} schema
- * @returns {TransactionMetadatum}
- */
-declare export function encode_json_str_to_metadatum(
-  json: string,
-  schema: number
-): TransactionMetadatum;
-
-/**
- * @param {TransactionMetadatum} metadatum
- * @param {number} schema
+ * @param {string} password
+ * @param {string} salt
+ * @param {string} nonce
+ * @param {string} data
  * @returns {string}
  */
-declare export function decode_metadatum_to_json_str(
-  metadatum: TransactionMetadatum,
-  schema: number
+declare export function encrypt_with_password(
+  password: string,
+  salt: string,
+  nonce: string,
+  data: string
 ): string;
 
 /**
- * @param {string} json
- * @param {number} schema
- * @returns {PlutusData}
+ * @param {string} password
+ * @param {string} data
+ * @returns {string}
  */
-declare export function encode_json_str_to_plutus_datum(
-  json: string,
-  schema: number
-): PlutusData;
+declare export function decrypt_with_password(
+  password: string,
+  data: string
+): string;
 
 /**
- * @param {PlutusData} datum
- * @param {number} schema
- * @returns {string}
+ * @param {Address} address
+ * @param {TransactionUnspentOutputs} utxos
+ * @param {TransactionBuilderConfig} config
+ * @returns {TransactionBatchList}
  */
-declare export function decode_plutus_datum_to_json_str(
-  datum: PlutusData,
-  schema: number
-): string;
+declare export function create_send_all(
+  address: Address,
+  utxos: TransactionUnspentOutputs,
+  config: TransactionBuilderConfig
+): TransactionBatchList;
 
 /**
  */
@@ -324,28 +336,47 @@ declare export var NetworkIdKind: {|
 /**
  */
 
-declare export var CoinSelectionStrategyCIP2: {|
-  +LargestFirst: 0, // 0
-  +RandomImprove: 1, // 1
-  +LargestFirstMultiAsset: 2, // 2
-  +RandomImproveMultiAsset: 3, // 3
+declare export var LanguageKind: {|
+  +PlutusV1: 0, // 0
+  +PlutusV2: 1, // 1
 |};
 
 /**
  */
 
-declare export var StakeCredKind: {|
-  +Key: 0, // 0
-  +Script: 1, // 1
+declare export var PlutusDataKind: {|
+  +ConstrPlutusData: 0, // 0
+  +Map: 1, // 1
+  +List: 2, // 2
+  +Integer: 3, // 3
+  +Bytes: 4, // 4
 |};
 
 /**
- * Used to choosed the schema for a script JSON string
  */
 
-declare export var ScriptSchema: {|
-  +Wallet: 0, // 0
-  +Node: 1, // 1
+declare export var RedeemerTagKind: {|
+  +Spend: 0, // 0
+  +Mint: 1, // 1
+  +Cert: 2, // 2
+  +Reward: 3, // 3
+|};
+
+/**
+ * JSON <-> PlutusData conversion schemas.
+ * Follows ScriptDataJsonSchema in cardano-cli defined at:
+ * https://github.com/input-output-hk/cardano-node/blob/master/cardano-api/src/Cardano/Api/ScriptData.hs#L254
+ *
+ * All methods here have the following restrictions due to limitations on dependencies:
+ * * JSON numbers above u64::MAX (positive) or below i64::MIN (negative) will throw errors
+ * * Hex strings for bytes don't accept odd-length (half-byte) strings.
+ *       cardano-cli seems to support these however but it seems to be different than just 0-padding
+ *       on either side when tested so proceed with caution
+ */
+
+declare export var PlutusDatumSchema: {|
+  +BasicConversions: 0, // 0
+  +DetailedSchema: 1, // 1
 |};
 
 /**
@@ -371,47 +402,28 @@ declare export var MetadataJsonSchema: {|
 /**
  */
 
-declare export var LanguageKind: {|
-  +PlutusV1: 0, // 0
-  +PlutusV2: 1, // 1
-|};
-
-/**
- */
-
-declare export var PlutusDataKind: {|
-  +ConstrPlutusData: 0, // 0
-  +Map: 1, // 1
-  +List: 2, // 2
-  +Integer: 3, // 3
-  +Bytes: 4, // 4
+declare export var CoinSelectionStrategyCIP2: {|
+  +LargestFirst: 0, // 0
+  +RandomImprove: 1, // 1
+  +LargestFirstMultiAsset: 2, // 2
+  +RandomImproveMultiAsset: 3, // 3
 |};
 
 /**
  */
 
-declare export var RedeemerTagKind: {|
-  +Spend: 0, // 0
-  +Mint: 1, // 1
-  +Cert: 2, // 2
-  +Reward: 3, // 3
+declare export var StakeCredKind: {|
+  +Key: 0, // 0
+  +Script: 1, // 1
 |};
 
 /**
- * JSON <-> PlutusData conversion schemas.
- * Follows ScriptDataJsonSchema in cardano-cli defined at:
- * https://github.com/input-output-hk/cardano-node/blob/master/cardano-api/src/Cardano/Api/ScriptData.hs#L254
- *
- * All methods here have the following restrictions due to limitations on dependencies:
- * * JSON numbers above u64::MAX (positive) or below i64::MIN (negative) will throw errors
- * * Hex strings for bytes don't accept odd-length (half-byte) strings.
- *       cardano-cli seems to support these however but it seems to be different than just 0-padding
- *       on either side when tested so proceed with caution
+ * Used to choosed the schema for a script JSON string
  */
 
-declare export var PlutusDatumSchema: {|
-  +BasicConversions: 0, // 0
-  +DetailedSchema: 1, // 1
+declare export var ScriptSchema: {|
+  +Wallet: 0, // 0
+  +Node: 1, // 1
 |};
 
 /**
@@ -1060,6 +1072,11 @@ declare export class BigNum {
    */
   less_than(rhs_value: BigNum): boolean;
 
+  /**
+   * @returns {BigNum}
+   */
+  static max_value(): BigNum;
+
   /**
    * @param {BigNum} a
    * @param {BigNum} b
@@ -7484,6 +7501,38 @@ declare export class Transaction {
     auxiliary_data?: AuxiliaryData
   ): Transaction;
 }
+/**
+ */
+declare export class TransactionBatch {
+  free(): void;
+
+  /**
+   * @returns {number}
+   */
+  len(): number;
+
+  /**
+   * @param {number} index
+   * @returns {Transaction}
+   */
+  get(index: number): Transaction;
+}
+/**
+ */
+declare export class TransactionBatchList {
+  free(): void;
+
+  /**
+   * @returns {number}
+   */
+  len(): number;
+
+  /**
+   * @param {number} index
+   * @returns {TransactionBatch}
+   */
+  get(index: number): TransactionBatch;
+}
 /**
  */
 declare export class TransactionBodies {

rust/src/fees.rs

@@ -28,7 +28,11 @@ impl LinearFee {
 
 #[wasm_bindgen]
 pub fn min_fee(tx: &Transaction, linear_fee: &LinearFee) -> Result<Coin, JsError> {
-    to_bignum(tx.to_bytes().len() as u64)
+    min_fee_for_size(tx.to_bytes().len(), linear_fee)
+}
+
+pub fn min_fee_for_size(size: usize, linear_fee: &LinearFee) -> Result<Coin, JsError> {
+    BigNum::from(size)
         .checked_mul(&linear_fee.coefficient())?
         .checked_add(&linear_fee.constant())
 }

rust/src/lib.rs

@@ -56,6 +56,7 @@ pub mod typed_bytes;
 pub mod utils;
 mod fakes;
 mod serialization_macros;
+mod serialization_tools;
 
 use crate::traits::NoneOrEmpty;
 use address::*;
@@ -219,6 +220,15 @@ impl TransactionOutputs {
     }
 }
 
+impl<'a> IntoIterator for &'a TransactionOutputs {
+    type Item = &'a TransactionOutput;
+    type IntoIter = std::slice::Iter<'a, TransactionOutput>;
+
+    fn into_iter(self) -> std::slice::Iter<'a, TransactionOutput> {
+        self.0.iter()
+    }
+}
+
 #[derive(Clone, Debug, Eq, Ord, PartialEq, PartialOrd)]
 enum DataCostEnum {
     CoinsPerWord(Coin),
@@ -3141,7 +3151,7 @@ impl HeaderBody {
 }
 
 #[wasm_bindgen]
-#[derive(Clone, Debug, Eq, PartialEq)]
+#[derive(Clone, Debug, Eq, PartialEq, Hash)]
 pub struct AssetName(Vec<u8>);
 
 impl Display for AssetName {