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palaspalas
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Merge pull request #900 from IntersectMBO/cardano-wasm-balancing
Add `estimateMinFee` function to `UnsignedTx`
2 parents 3cb72b5 + 7c9eb4c commit de27f9f

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8 files changed

+2232
-29
lines changed

8 files changed

+2232
-29
lines changed

‎cardano-wasm/cardano-wasm.cabal‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -37,7 +37,7 @@ executable cardano-wasm
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ghc-options:
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-no-hs-main
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-optl-mexec-model=reactor
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"-optl-Wl,--strip-all,--export=getApiInfo,--export=newConwayTx,--export=addTxInput,--export=addSimpleTxOut,--export=setFee,--export=signWithPaymentKey,--export=alsoSignWithPaymentKey,--export=txToCbor"
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"-optl-Wl,--strip-all,--export=getApiInfo,--export=newConwayTx,--export=addTxInput,--export=addSimpleTxOut,--export=setFee,--export=estimateMinFee,--export=signWithPaymentKey,--export=alsoSignWithPaymentKey,--export=txToCbor"
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other-modules:
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Cardano.Wasm.Internal.Api.Info
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Cardano.Wasm.Internal.Api.Tx

‎cardano-wasm/example/index.html‎

Lines changed: 34 additions & 23 deletions
Original file line numberDiff line numberDiff line change
@@ -1,30 +1,41 @@
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<html>
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<body>
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<script type="module">
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import cardano_api from "./cardano-api.js";
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let promise = cardano_api();
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async function do_async_work() {
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let api = await promise;
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console.log("Api object:");
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console.log(api);
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<script type="module">
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import cardano_api from "./cardano-api.js";
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let promise = cardano_api();
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async function get_protocol_params() {
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const response = await fetch("./preview_pparams.json");
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return (await response.json());
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}
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let protocolParams = await get_protocol_params();
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async function do_async_work() {
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let api = await promise;
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console.log("Api object:");
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console.log(api);
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let emptyTx = await api.newConwayTx();
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console.log("UnsignedTx object:");
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console.log(emptyTx);
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let emptyTx = await api.newConwayTx();
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console.log("UnsignedTx object:");
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console.log(emptyTx);
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let tx = await emptyTx.addTxInput("be6efd42a3d7b9a00d09d77a5d41e55ceaf0bd093a8aa8a893ce70d9caafd978", 0)
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.addSimpleTxOut("addr_test1vzpfxhjyjdlgk5c0xt8xw26avqxs52rtf69993j4tajehpcue4v2v", 10_000_000n)
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let signedTx = await emptyTx.addTxInput("be6efd42a3d7b9a00d09d77a5d41e55ceaf0bd093a8aa8a893ce70d9caafd978", 0)
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.addSimpleTxOut("addr_test1vzpfxhjyjdlgk5c0xt8xw26avqxs52rtf69993j4tajehpcue4v2v", 10_000_000n)
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.setFee(2_000_000n)
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.signWithPaymentKey("addr_sk1648253w4tf6fv5fk28dc7crsjsaw7d9ymhztd4favg3cwkhz7x8sl5u3ms");
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let feeEstimate = await tx.estimateMinFee(protocolParams, 1, 0, 0);
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console.log("Estimated fee:");
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console.log(feeEstimate);
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console.log("SignedTx object:");
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console.log(signedTx);
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let signedTx = await tx.setFee(feeEstimate)
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.signWithPaymentKey("addr_sk1648253w4tf6fv5fk28dc7crsjsaw7d9ymhztd4favg3cwkhz7x8sl5u3ms");
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console.log("SignedTx object:");
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console.log(signedTx);
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let txCbor = await signedTx.txToCbor();
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console.log("Tx CBOR:");
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console.log(txCbor);
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}
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do_async_work().then(() => {});
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</script>
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let txCbor = await signedTx.txToCbor();
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console.log("Tx CBOR:");
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console.log(txCbor);
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}
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do_async_work().then(() => { });
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</script>
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</body>
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</html>
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</html>

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