params

butaneprotocol · Apr 14, 2024 · f522349 · f522349
1 parent 4e8a1de
commit f522349
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Showing 4 changed files with 24 additions and 38 deletions.
diff --git a/packages/translucent-core/params.ts b/packages/translucent-core/params.ts
@@ -47,7 +47,7 @@ export const hardCodedProtocolParams: ProtocolParameters = {
   minPoolCost: 170000000,
   protocolVersion: { major: 8, minor: 0 },
   maxValueSize: 5000,
-  collateralPercentage: 150,
+  collateralPercentage: 150/100,
   maxCollateralInputs: 3,
   costModels: new Map()
     .set(0, [
@@ -395,7 +395,7 @@ export const hardCodedProtocolParams: ProtocolParameters = {
       32947,
       10,
     ]),
-  prices: { memory: 577, steps: 721 },
+  prices: { memory: 577/10000, steps: 721/10000 },
   maxExecutionUnitsPerTransaction: { memory: 14000000, steps: 10000000000 },
   maxExecutionUnitsPerBlock: { memory: 62000000, steps: 20000000000 },
 }
diff --git a/packages/translucent-query/maestro.ts b/packages/translucent-query/maestro.ts
@@ -65,12 +65,12 @@ export class Maestro implements Provider {
             minPoolCost: params.min_pool_cost,
             protocolVersion: params.protocol_version,
             maxValueSize: params.max_value_size,
-            collateralPercentage: params.collateral_percentage,
+            collateralPercentage: params.collateral_percentage / 100,
             maxCollateralInputs: params.max_collateral_inputs,
             costModels: costModels,
             prices: {
-                memory: parseFloat(params.prices.memory),
-                steps: parseFloat(params.prices.steps)
+                memory: parseFloat(params.prices.memory) / 10000,
+                steps: parseFloat(params.prices.steps) / 10000
             },
             maxExecutionUnitsPerTransaction: params.max_execution_units_per_transaction,
             maxExecutionUnitsPerBlock: params.max_execution_units_per_block,

diff --git a/packages/translucent-tx/tx.ts b/packages/translucent-tx/tx.ts
@@ -42,6 +42,7 @@ import {
   PolicyIdToHash,
   toHex,
   fromHex,
+  ProtocolParameters,
 } from '../translucent-core'
 import * as value from './value'
 import { micahsSelector } from './coinSelection'
@@ -91,24 +92,6 @@ constraints:
     mustProduceAtLeast
 */
 
-export const TxParams = {
-  minFeeA: 44n,
-  minFeeB: 155381n,
-  poolDeposit: 500000000n,
-  keyDeposit: 2000000n,
-  maxValueSize: 5000n,
-  maxTxSize: 16384n,
-  maxTxExMem: 14000000n,
-  maxTxExSteps: 10000000000n,
-  coinsPerUtxoByte: 4310n,
-  priceMem: 577 / 10000,
-  priceStep: 721 / 10_000_000,
-  //ex_unit_prices: ExUnitPrices,
-  //costMdls: Costmdls,
-  collateralPercentage: 1.5,
-  maxCollateralInputs: 3,
-}
-
 const SLOT_CONFIG_NETWORK = {
   Mainnet: { zeroTime: 1596059091000, zeroSlot: 4492800, slotLength: 1000 }, // Starting at Shelley era
   Preview: { zeroTime: 1666656000000, zeroSlot: 0, slotLength: 1000 }, // Starting at Shelley era
@@ -127,6 +110,7 @@ const dummySignature = Ed25519SignatureHex('0'.repeat(128))
  * A builder class for constructing Cardano transactions with various components like inputs, outputs, and scripts.
  */
 export class TxBuilder {
+  readonly params: ProtocolParameters
   body: TransactionBody // The main body of the transaction containing inputs, outputs, etc.
   inputs: TransactionInputSet = CborSet.fromCore([], TransactionInput.fromCore) // A set of transaction inputs.
   private redeemers: Redeemers = Redeemers.fromCore([]) // A collection of redeemers for script validation.
@@ -158,7 +142,8 @@ export class TxBuilder {
    * Constructs a new instance of the TxBuilder class.
    * Initializes a new transaction body with an empty set of inputs, outputs, and no fee.
    */
-  constructor() {
+  constructor(params: ProtocolParameters) {
+    this.params = params
     this.body = new TransactionBody(this.inputs, [], 0n, undefined)
   }
 
@@ -287,8 +272,8 @@ export class TxBuilder {
           purpose: RedeemerPurpose['spend'],
           data: redeemer.toCore(),
           executionUnits: {
-            memory: Number(TxParams.maxTxExMem),
-            steps: Number(TxParams.maxTxExSteps),
+            memory: this.params.maxExecutionUnitsPerTransaction.memory,
+            steps: this.params.maxExecutionUnitsPerTransaction.steps,
           },
         }),
       )
@@ -351,8 +336,8 @@ export class TxBuilder {
           purpose: RedeemerPurpose['mint'], // Specify the purpose of the redeemer as minting.
           data: redeemer.toCore(), // Convert the provided PlutusData redeemer to its core representation.
           executionUnits: {
-            memory: Number(TxParams.maxTxExMem), // Placeholder memory units, replace with actual estimation.
-            steps: Number(TxParams.maxTxExSteps), // Placeholder step units, replace with actual estimation.
+            memory: this.params.maxExecutionUnitsPerTransaction.memory, // Placeholder memory units, replace with actual estimation.
+            steps: this.params.maxExecutionUnitsPerTransaction.steps, // Placeholder step units, replace with actual estimation.
           },
         }),
       )
@@ -415,11 +400,11 @@ export class TxBuilder {
       fromHex(costModelsBytes), // Convert the cost models to hex format.
       BigInt(
         Math.floor(
-          Number(TxParams.maxTxExSteps) / (this.overEstimateSteps ?? 1),
+          this.params.maxExecutionUnitsPerTransaction.steps / (this.overEstimateSteps ?? 1),
         ),
       ), // Calculate the estimated max execution steps.
       BigInt(
-        Math.floor(Number(TxParams.maxTxExMem) / (this.overEstimateMem ?? 1)),
+        Math.floor(this.params.maxExecutionUnitsPerTransaction.memory / (this.overEstimateMem ?? 1)),
       ), // Calculate the estimated max memory.
       BigInt(SLOT_CONFIG_NETWORK.Mainnet.zeroTime), // Network-specific zero time for slot calculation.
       BigInt(SLOT_CONFIG_NETWORK.Mainnet.zeroSlot), // Network-specific zero slot.
@@ -446,8 +431,8 @@ export class TxBuilder {
       redeemerValues.push(redeemer) // Add the updated redeemer to the array.
 
       // Calculate the fee contribution from this redeemer and add it to the total fee.
-      fee += TxParams.priceStep * Number(exUnits.steps())
-      fee += TxParams.priceMem * Number(exUnits.mem())
+      fee += this.params.maxExecutionUnitsPerTransaction.steps * Number(exUnits.steps())
+      fee += this.params.maxExecutionUnitsPerTransaction.memory * Number(exUnits.mem())
     }
 
     // Create a new Redeemers object and set its values to the updated redeemers.
@@ -708,7 +693,7 @@ export class TxBuilder {
   private calculateFees(draft_tx: Transaction, tw: TransactionWitnessSet) {
     // Calculate the fee based on the transaction size and minimum fee parameters.
     this.fee =
-      TxParams.minFeeB + BigInt(draft_tx.toCbor().length / 2) * TxParams.minFeeA
+      BigInt(Math.ceil(this.params.minFeeConstant + draft_tx.toCbor().length / 2 * this.params.minFeeCoefficient))
     // Update the transaction body with the calculated fee.
     this.body.setFee(this.fee)
   }
@@ -768,7 +753,7 @@ export class TxBuilder {
     let scope = [...this.utxoScope.values()]
     // Calculate the total collateral based on the transaction fee and collateral percentage.
     let totalCollateral = BigInt(
-      Math.ceil(TxParams.collateralPercentage * Number(this.fee)),
+      Math.ceil(this.params.collateralPercentage * Number(this.fee)),
     )
     // Calculate the collateral value by summing up the amounts from collateral inputs.
     let collateralValue = this.body
@@ -931,8 +916,8 @@ export class TxBuilder {
           purpose: RedeemerPurpose['mint'], // TODO: Confirm the purpose of the redeemer.
           data: redeemer.toCore(),
           executionUnits: {
-            memory: Number(TxParams.maxTxExMem),
-            steps: Number(TxParams.maxTxExSteps),
+            memory: this.params.maxExecutionUnitsPerTransaction.memory,
+            steps: this.params.maxExecutionUnitsPerTransaction.steps,
           },
         }),
       )

diff --git a/tests/tx.test.ts b/tests/tx.test.ts
@@ -10,6 +10,7 @@ import * as C from '@cardano-sdk/core'
 // import * as D from '@dcspark/cardano-multiplatform-lib-nodejs'
 import * as util from '../packages/translucent-core/util'
 import { TxBuilder } from '../packages/translucent-tx/tx'
+import { hardCodedProtocolParams } from '../packages/translucent-core/params'
 
 {
   // let tx = "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@@ -73,7 +74,7 @@ import { TxBuilder } from '../packages/translucent-tx/tx'
 // }
 
 {
-  let tx = new TxBuilder()
+  let tx = new TxBuilder(hardCodedProtocolParams)
   tx.addRequiredSigner(
     Ed25519KeyHashHex(
       '3258f32901c7ac8acfb0815ac78515d7e27f949e7ec71f23ee1aa7bc',
@@ -156,7 +157,7 @@ import { TxBuilder } from '../packages/translucent-tx/tx'
   tx.body.setTtl(C.Cardano.Slot(121255433))
   tx.body.setValidityStartInterval(C.Cardano.Slot(121255253))
   let final_tx = tx.complete()
-  //console.log(final_tx.toCbor())
+  console.log(final_tx.toCbor())
   // console.log(
   //   D.Transaction.from_bytes(util.fromHex(final_tx.toCbor())).to_json(),
   // )