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Fix price-oracle/client-peer (#31)

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88
aqua-examples/price-oracle/README.md
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@ -36,7 +36,7 @@ As outlined in Figure 1, we use one or more services distributed across the Flue
Let's get right to it: Let's get right to it:
```text ```bash
% cd web % cd web
% npm install % npm install
% npm start % npm start
@ -52,7 +52,7 @@ Please note that the coin name must the full name, e.g., ethereum or bitcoin ins
If you like things a little closer to metal, see the [client-peer](./client-peer) directory for a peer-client based on the Fluence JS-SDK. To run the headless client: If you like things a little closer to metal, see the [client-peer](./client-peer) directory for a peer-client based on the Fluence JS-SDK. To run the headless client:
```text ```bash
% cd client-peer % cd client-peer
% npm instal % npm instal
% npm start run % npm start run
@ -71,9 +71,9 @@ As evident from our results, we are executing two different workflows to get our
```typescript ```typescript
// client-peer/index.ts // client-peer/index.ts
import { createClient, setLogLevel, FluenceClient } from "@fluencelabs/fluence"; import { Fluence } from "@fluencelabs/fluence";
import { krasnodar, Node } from "@fluencelabs/fluence-network-environment"; import { krasnodar, Node } from "@fluencelabs/fluence-network-environment";
import { get_price, get_price_par } from "./get_crypto_prices"; import { get_price, get_price_par } from "./_aqua/get_crypto_prices";
interface NodeServicePair { interface NodeServicePair {
node: string; node: string;
@ -82,37 +82,47 @@ interface NodeServicePair {
// (node, service) tuples, json-style, for price getter services // (node, service) tuples, json-style, for price getter services
let getter_topo: Array<NodeServicePair>; let getter_topo: Array<NodeServicePair>;
// and a mean service
let mean_topo: NodeServicePair; let mean_topo: NodeServicePair;
getter_topo = Array({ "node": "12D3KooWCMr9mU894i8JXAFqpgoFtx6qnV1LFPSfVc3Y34N4h4LS", "service_id": "c315073d-4311-4db3-be57-8f154f032d28" }, { "node": "12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi", "service_id": "25f9123a-f386-4cb2-9c1e-bb7c247c9c09" }); // description of the services' locations, copypaste from data/deployed_services.json
mean_topo = { "node": "12D3KooWCMr9mU894i8JXAFqpgoFtx6qnV1LFPSfVc3Y34N4h4LS", "service_id": "dd47389f-25d9-4870-a2a9-909359e73580" }; getter_topo = [
{
node: "12D3KooWCMr9mU894i8JXAFqpgoFtx6qnV1LFPSfVc3Y34N4h4LS",
service_id: "b67586f7-e96f-49ee-914e-9eabe1a0b83d",
},
{
node: "12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi",
service_id: "f5b456fa-ee18-4df1-b18b-84fe7ebc7ad0",
}
];
mean_topo = [
{
node: "12D3KooWCMr9mU894i8JXAFqpgoFtx6qnV1LFPSfVc3Y34N4h4LS",
service_id: "79b8ddb9-e2e6-4924-9293-c5d55c94af6b",
},
{
node: "12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi",
service_id: "debecd02-ba7d-40a2-92ab-08a9321da2cf"
}
];
async function main() { async function main() {
// create the Fluence client for the Krasnodar testnet
await Fluence.start({ connectTo: krasnodar[5] });
// create the Fluence client for the Krasnodar testnet // call the get_price function -- sequential processing
const fluence = await createClient(krasnodar[2]); const network_result = await get_price(
console.log("created a fluence client %s with relay %s", fluence.selfPeerId, fluence.relayPeerId); "ethereum", "usd",
getter_topo[1].node, getter_topo[1].service_id, mean_topo[1].service_id
);
console.log("seq result: ", network_result);
// call the get_price function -- sequential processing // call the get_price_par function -- parallel processing
const network_result = await get_price(fluence, "ethereum", "usd", "12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi", "25f9123a-f386-4cb2-9c1e-bb7c247c9c09", "b2790307-055e-41ca-9640-3c41856d464b"); const network_result_par = await get_price_par("ethereum", "usd", getter_topo, mean_topo[0]);
console.log("seq result: ", network_result); console.log("par result: ", network_result_par);
// call the get_price_par function -- parallel processing await Fluence.stop();
const network_result_par = await get_price_par(fluence, "ethereum", "usd", getter_topo, mean_topo);
console.log("par result: ", network_result_par);
return;
} }
main()
.then(() => process.exit(0))
.catch(error => {
console.error(error);
process.exit(1);
});
``` ```
where the Aqua script can be found in the `aqua-scripts` dirctory and the compiled Aqua code is found in the `get_crypto_prices.ts` file. For more on the Aqua script, see below. where the Aqua script can be found in the `aqua-scripts` dirctory and the compiled Aqua code is found in the `get_crypto_prices.ts` file. For more on the Aqua script, see below.
@ -134,7 +144,7 @@ As seen in Figure 3, we link the price_getter module and curl adapter module int
We now have our code in place and area ready to compile and our compilation instructions are contain in the `scripts/build.sh` script, which basically instructs the the code is compiled with `marine` and that the resulting Wasm modules are copied to the `artifacts` directory. In the project directory: We now have our code in place and area ready to compile and our compilation instructions are contain in the `scripts/build.sh` script, which basically instructs the the code is compiled with `marine` and that the resulting Wasm modules are copied to the `artifacts` directory. In the project directory:
```text ```bash
./scripts/build.sh ./scripts/build.sh
``` ```
@ -142,7 +152,7 @@ which gives you the updated Wasm modules in the `artifacts` directory.
The next step is to deploy the two services to one or more peers and we use the `fldist` tool to get this done. First, we need to now what peers are available and we can get an enumeration from: The next step is to deploy the two services to one or more peers and we use the `fldist` tool to get this done. First, we need to now what peers are available and we can get an enumeration from:
```text ```bash
fldist env fldist env
``` ```
@ -150,24 +160,22 @@ fldist env
Pick any of the peer ids from the listed peers to deploy your services. Let's say we use peer id `12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi`: Pick any of the peer ids from the listed peers to deploy your services. Let's say we use peer id `12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi`:
```text ```bash
fldist --node-id 12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi new_service --ms artifacts/curl_adapter.wasm:configs/curl_adapter_cfg.json artifacts/price_getter_service.wasm:configs/price_getter_service_cfg.json --name price-getter-service-0 $ fldist --node-id 12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi new_service --ms artifacts/curl_adapter.wasm:configs/curl_adapter_cfg.json artifacts/price_getter_service.wasm:configs/price_getter_service_cfg.json --name price-getter-service-0
service id: f5b456fa-ee18-4df1-b18b-84fe7ebc7ad0 # <--- REMEMBER service id !!
service created successfully
``` ```
to deploy a price-getter service and to deploy a price-getter service and
```text ```bash
fldist --node-id 12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi new_service --ms artifacts/mean_service.wasm:configs/mean_service_cfg.json --name mean-service-0 $ fldist --node-id 12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi new_service --ms artifacts/mean_service.wasm:configs/mean_service_cfg.json --name mean-service-0
``` service id: debecd02-ba7d-40a2-92ab-08a9321da2cf # <--- REMEMBER service id !!
to deploy a mean service. Please take note of the service-id you get back for each fo the deployments, which are needed to locate the service in the future. For example
```text
fldist --node-id 12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi new_service --ms artifacts/mean_service.wasm:configs/mean_service_cfg.json --name mean-service-0
service id: b2790307-055e-41ca-9640-3c41856d464b <-- REMEMBER ME !!
service created successfully service created successfully
``` ```
to deploy a mean service. Please take note of the service-id you get back for each fo the deployments, which are needed to locate the service in the future.
That's it for service development and deployment! That's it for service development and deployment!
## Application Composition with Aqua ## Application Composition with Aqua

4
aqua-examples/price-oracle/aqua-scripts/get_crypto_prices.aqua
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@ -51,15 +51,13 @@ func get_price_par(coin: string, currency: string, getter_topo: []NodeServicePai
prices: *f64 prices: *f64
for topo <- getter_topo par: for topo <- getter_topo par:
on topo.node: on topo.node:
k <- Op.string_to_b58(topo.node)
PriceGetterService topo.service_id PriceGetterService topo.service_id
ts_ms <- Peer.timestamp_ms() ts_ms <- Peer.timestamp_ms()
res <- PriceGetterService.price_getter(coin, currency, ts_ms) res <- PriceGetterService.price_getter(coin, currency, ts_ms)
prices <- F64Op.identity(res.result) prices <- F64Op.identity(res.result)
F64Op.identity(prices!2)
on mean_topo.node: on mean_topo.node:
F64Op.identity(prices!1)
MeanService mean_topo.service_id MeanService mean_topo.service_id
result <- MeanService.mean(prices) result <- MeanService.mean(prices)
<- result <- result

75
aqua-examples/price-oracle/client-peer/package-lock.json generated
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@ -15,7 +15,7 @@
"it-all": "^1.0.5" "it-all": "^1.0.5"
}, },
"devDependencies": { "devDependencies": {
"@fluencelabs/aqua": "^0.3.0-226", "@fluencelabs/aqua": "0.3.2-233",
"typescript": "^3.9.5" "typescript": "^3.9.5"
} }
}, },
@ -51,14 +51,16 @@
} }
}, },
"node_modules/@fluencelabs/aqua": { "node_modules/@fluencelabs/aqua": {
"version": "0.3.0-226", "version": "0.3.2-233",
"resolved": "https://registry.npmjs.org/@fluencelabs/aqua/-/aqua-0.3.0-226.tgz", "resolved": "https://registry.npmjs.org/@fluencelabs/aqua/-/aqua-0.3.2-233.tgz",
"integrity": "sha512-9o0TdgsVNcBvifqo7VqIkN62P9EReE0LUxgWG1rGHi9yxJiGElvEBvrVUzqShffF66Ene7VGEe85lhFIGCfDgg==", "integrity": "sha512-LxwNt/O2ijHA2bG7+qdmnFT//kpIVj7mACBp28LxRpb2kJYMcVDNb9VfyWDiDdoX10PAT96OpkiYvVJPs0mpEw==",
"dev": true, "dev": true,
"dependencies": {
"@fluencelabs/fluence": "0.12.1"
},
"bin": { "bin": {
"aqua": "index.js", "aqua": "index.js",
"aqua-cli": "error.js", "aqua-cli": "error.js"
"aqua-j": "index-java.js"
} }
}, },
"node_modules/@fluencelabs/aqua-lib": { "node_modules/@fluencelabs/aqua-lib": {
@ -66,6 +68,30 @@
"resolved": "https://registry.npmjs.org/@fluencelabs/aqua-lib/-/aqua-lib-0.1.14.tgz", "resolved": "https://registry.npmjs.org/@fluencelabs/aqua-lib/-/aqua-lib-0.1.14.tgz",
"integrity": "sha512-H2Q4gIvociUxc4J2mwmH0D+mrU2N2Z+enKCHgBCanMVEE2wZDsZ80GTbDKsQjEq+gpqbnJIk8lJBYW6lyvLJTg==" "integrity": "sha512-H2Q4gIvociUxc4J2mwmH0D+mrU2N2Z+enKCHgBCanMVEE2wZDsZ80GTbDKsQjEq+gpqbnJIk8lJBYW6lyvLJTg=="
}, },
"node_modules/@fluencelabs/aqua/node_modules/@fluencelabs/fluence": {
"version": "0.12.1",
"resolved": "https://registry.npmjs.org/@fluencelabs/fluence/-/fluence-0.12.1.tgz",
"integrity": "sha512-JrMKMHjYILAHQsLLd5H0fLt/UMZv+/PQYxJYe6h9HFyJlZrN1bUV+EcZnUw1u3DZE5k/RXBx0udfmkahggwrqA==",
"dev": true,
"dependencies": {
"@chainsafe/libp2p-noise": "4.0.0",
"@fluencelabs/avm": "0.14.4",
"async": "3.2.0",
"base64-js": "1.5.1",
"bs58": "4.0.1",
"cids": "0.8.1",
"it-length-prefixed": "3.0.1",
"it-pipe": "1.1.0",
"libp2p": "0.32.3",
"libp2p-crypto": "0.19.7",
"libp2p-mplex": "0.10.4",
"libp2p-websockets": "0.16.1",
"loglevel": "1.7.0",
"multiaddr": "10.0.0",
"peer-id": "0.15.3",
"uuid": "8.3.0"
}
},
"node_modules/@fluencelabs/avm": { "node_modules/@fluencelabs/avm": {
"version": "0.14.4", "version": "0.14.4",
"resolved": "https://registry.npmjs.org/@fluencelabs/avm/-/avm-0.14.4.tgz", "resolved": "https://registry.npmjs.org/@fluencelabs/avm/-/avm-0.14.4.tgz",
@ -2628,10 +2654,39 @@
} }
}, },
"@fluencelabs/aqua": { "@fluencelabs/aqua": {
"version": "0.3.0-226", "version": "0.3.2-233",
"resolved": "https://registry.npmjs.org/@fluencelabs/aqua/-/aqua-0.3.0-226.tgz", "resolved": "https://registry.npmjs.org/@fluencelabs/aqua/-/aqua-0.3.2-233.tgz",
"integrity": "sha512-9o0TdgsVNcBvifqo7VqIkN62P9EReE0LUxgWG1rGHi9yxJiGElvEBvrVUzqShffF66Ene7VGEe85lhFIGCfDgg==", "integrity": "sha512-LxwNt/O2ijHA2bG7+qdmnFT//kpIVj7mACBp28LxRpb2kJYMcVDNb9VfyWDiDdoX10PAT96OpkiYvVJPs0mpEw==",
"dev": true "dev": true,
"requires": {
"@fluencelabs/fluence": "0.12.1"
},
"dependencies": {
"@fluencelabs/fluence": {
"version": "0.12.1",
"resolved": "https://registry.npmjs.org/@fluencelabs/fluence/-/fluence-0.12.1.tgz",
"integrity": "sha512-JrMKMHjYILAHQsLLd5H0fLt/UMZv+/PQYxJYe6h9HFyJlZrN1bUV+EcZnUw1u3DZE5k/RXBx0udfmkahggwrqA==",
"dev": true,
"requires": {
"@chainsafe/libp2p-noise": "4.0.0",
"@fluencelabs/avm": "0.14.4",
"async": "3.2.0",
"base64-js": "1.5.1",
"bs58": "4.0.1",
"cids": "0.8.1",
"it-length-prefixed": "3.0.1",
"it-pipe": "1.1.0",
"libp2p": "0.32.3",
"libp2p-crypto": "0.19.7",
"libp2p-mplex": "0.10.4",
"libp2p-websockets": "0.16.1",
"loglevel": "1.7.0",
"multiaddr": "10.0.0",
"peer-id": "0.15.3",
"uuid": "8.3.0"
}
}
}
}, },
"@fluencelabs/aqua-lib": { "@fluencelabs/aqua-lib": {
"version": "0.1.14", "version": "0.1.14",

8
aqua-examples/price-oracle/client-peer/package.json
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@ -13,9 +13,9 @@
"package-lock.json" "package-lock.json"
], ],
"dependencies": { "dependencies": {
"@fluencelabs/aqua-lib": "^0.1.9", "@fluencelabs/aqua-lib": "0.1.14",
"@fluencelabs/fluence": "^0.13.0", "@fluencelabs/fluence": "0.13.0",
"@fluencelabs/fluence-network-environment": "^1.0.10", "@fluencelabs/fluence-network-environment": "1.0.10",
"it-all": "^1.0.5" "it-all": "^1.0.5"
}, },
"scripts": { "scripts": {
@ -43,7 +43,7 @@
}, },
"homepage": "git+https://github.com/fluencelabs/examples/aqua-examples/price-oracle#readme", "homepage": "git+https://github.com/fluencelabs/examples/aqua-examples/price-oracle#readme",
"devDependencies": { "devDependencies": {
"@fluencelabs/aqua": "^0.3.0-226", "@fluencelabs/aqua": "0.3.2-233",
"typescript": "^3.9.5" "typescript": "^3.9.5"
} }
} }

49
aqua-examples/price-oracle/client-peer/src/index.ts
View File

@ -1,5 +1,5 @@
/* /*
* Copyright 2021 Fluence Labs Limited * Copyright 2021 Fluence Labs Limited
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
@ -24,53 +24,60 @@ interface NodeServicePair {
} }
let getter_topo: Array<NodeServicePair>; let getter_topo: Array<NodeServicePair>;
let mean_topo: NodeServicePair; let mean_topo: Array<NodeServicePair>;
getter_topo = Array( // description of the services' locations, copypaste from data/deployed_services.json
getter_topo = [
{ {
node: "12D3KooWCMr9mU894i8JXAFqpgoFtx6qnV1LFPSfVc3Y34N4h4LS", node: "12D3KooWCMr9mU894i8JXAFqpgoFtx6qnV1LFPSfVc3Y34N4h4LS",
service_id: "c315073d-4311-4db3-be57-8f154f032d28", service_id: "b67586f7-e96f-49ee-914e-9eabe1a0b83d",
}, },
{ {
node: "12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi", node: "12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi",
service_id: "25f9123a-f386-4cb2-9c1e-bb7c247c9c09", service_id: "f5b456fa-ee18-4df1-b18b-84fe7ebc7ad0",
} }
); ];
mean_topo = { mean_topo = [
node: "12D3KooWCMr9mU894i8JXAFqpgoFtx6qnV1LFPSfVc3Y34N4h4LS", {
service_id: "dd47389f-25d9-4870-a2a9-909359e73580", node: "12D3KooWCMr9mU894i8JXAFqpgoFtx6qnV1LFPSfVc3Y34N4h4LS",
}; service_id: "79b8ddb9-e2e6-4924-9293-c5d55c94af6b",
},
{
node: "12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi",
service_id: "debecd02-ba7d-40a2-92ab-08a9321da2cf"
}
];
async function main() { async function main() {
console.log("hello crypto investors"); console.log("hello crypto investors");
// Uncomment to enable debug logs:
// setLogLevel('DEBUG'); // setLogLevel('DEBUG');
await Fluence.start({ connectTo: krasnodar[2] });
// create the Fluence client for the Krasnodar testnet
await Fluence.start({ connectTo: krasnodar[5] });
console.log( console.log(
"created a fluence client %s with relay %s", "created a fluence client %s with relay %s",
Fluence.getStatus().peerId, Fluence.getStatus().peerId,
Fluence.getStatus().relayPeerId Fluence.getStatus().relayPeerId
); );
// call the get_price function -- sequential processing
const network_result = await get_price( const network_result = await get_price(
"ethereum", "ethereum",
"usd", "usd",
"12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi", getter_topo[1].node,
"25f9123a-f386-4cb2-9c1e-bb7c247c9c09", getter_topo[1].service_id,
"b2790307-055e-41ca-9640-3c41856d464b" mean_topo[1].service_id
); );
console.log("seq result: ", network_result); console.log("seq result: ", network_result);
const network_result_par = await get_price_par( // call the get_price_par function -- parallel processing
"ethereum", const network_result_par = await get_price_par("ethereum", "usd", getter_topo, mean_topo[0]
"usd",
getter_topo,
mean_topo
); );
console.log("par result: ", network_result_par); console.log("par result: ", network_result_par);
await Fluence.stop(); await Fluence.stop();
return;
} }
main() main()

8
aqua-examples/price-oracle/data/deployed_services.json
View File

@ -2,21 +2,21 @@
"price_getter": [ "price_getter": [
{ {
"node": "12D3KooWCMr9mU894i8JXAFqpgoFtx6qnV1LFPSfVc3Y34N4h4LS", "node": "12D3KooWCMr9mU894i8JXAFqpgoFtx6qnV1LFPSfVc3Y34N4h4LS",
"service_id": "c315073d-4311-4db3-be57-8f154f032d28" "service_id": "b67586f7-e96f-49ee-914e-9eabe1a0b83d"
}, },
{ {
"node": "12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi", "node": "12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi",
"service_id": "25f9123a-f386-4cb2-9c1e-bb7c247c9c09" "service_id": "f5b456fa-ee18-4df1-b18b-84fe7ebc7ad0"
} }
], ],
"mean": [ "mean": [
{ {
"node": "12D3KooWCMr9mU894i8JXAFqpgoFtx6qnV1LFPSfVc3Y34N4h4LS", "node": "12D3KooWCMr9mU894i8JXAFqpgoFtx6qnV1LFPSfVc3Y34N4h4LS",
"service_id": "dd47389f-25d9-4870-a2a9-909359e73580" "service_id": "79b8ddb9-e2e6-4924-9293-c5d55c94af6b"
}, },
{ {
"node": "12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi", "node": "12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi",
"service_id": "b2790307-055e-41ca-9640-3c41856d464b" "service_id": "debecd02-ba7d-40a2-92ab-08a9321da2cf"
} }
] ]
} }