# Check whether Olympex supports Polygon (chain ID 137).
# Needs openssl, curl and OLYMPEX_API_KEY_ID, OLYMPEX_SECRET_KEY, OLYMPEX_PASSPHRASE.
METHOD=POST
ENDPOINT=/support-chain
QUERY=''
BODY='{"chainId":137}'
TS="${OLYMPEX_TIMESTAMP:-$(date +%s)}"
NONCE="${OLYMPEX_NONCE:-$(openssl rand -hex 12)}"
BODY_HASH="$(printf '%s' "$BODY" | openssl dgst -sha256 -binary | openssl base64 -A | tr '+/' '-_' | tr -d '=')"
VALUE_INFO="$(printf '%s\n%s\n%s' "$TS" "$NONCE" "$BODY_HASH")"
MESSAGE="$(printf 'OLPX-HMAC-SHA256-V2\n%s\n%s\n%s\n%s\n%s\n%s' "$TS" "$NONCE" "$METHOD" "/api/v1$ENDPOINT" "$QUERY" "$BODY_HASH")"
curl -sS -X "$METHOD" "https://api-rest.olympex.io/api/v1$ENDPOINT${QUERY:+?$QUERY}" \
  -H "content-type: application/json" \
  -H "x-api-key-id: $OLYMPEX_API_KEY_ID" \
  -H "x-value-info: $(printf '%s' "$VALUE_INFO" | openssl base64 -A)" \
  -H "x-passphrase: $OLYMPEX_PASSPHRASE" \
  -H "x-signature: $(printf '%s' "$MESSAGE" | openssl dgst -sha256 -hmac "$OLYMPEX_SECRET_KEY" -binary | od -An -v -tx1 | tr -d ' \n')" \
  --data-raw "$BODY"

import { olympexRequest } from "./sign-request.ts"; // /authentication/sign-requests

const supported = await olympexRequest<boolean>("POST", "/support-chain", { chainId: 137 });
console.log(supported ? "Polygon is supported" : "Polygon is not supported");

from sign_request import olympex_request  # /authentication/sign-requests

supported = olympex_request("POST", "/support-chain", {"chainId": 137})
print("Polygon is supported" if supported else "Polygon is not supported")

{
  "success": true,
  "data": true,
  "meta": {
    "requestId": "ENUlxjCsIAMEMUA=",
    "version": "v1",
    "accountType": "integrator",
    "apiKeyId": "00000000-0000-4000-8000-000000000000"
  }
}

{
  "success": true,
  "data": false,
  "meta": {
    "requestId": "ENUmEhC2oAMEMtQ=",
    "version": "v1",
    "accountType": "integrator",
    "apiKeyId": "00000000-0000-4000-8000-000000000000"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request body",
    "details": [
      {
        "field": "chainId",
        "message": "Invalid input: expected number, received string"
      }
    ]
  },
  "meta": {
    "requestId": "E7ee3hLMoAMEZxg=",
    "version": "v1",
    "accountType": "integrator",
    "apiKeyId": "00000000-0000-4000-8000-000000000000"
  }
}

{
  "message": "Forbidden"
}