Move network request to a JSON fixture

exp/lighthorizon/adapters/fixtures/transactions.json

@@ -0,0 +1,67 @@
+{
+ "_links": {
+  "self": {
+   "href": "https://horizon.stellar.org/accounts/GBFHFINUD6NVGSX33PY25DDRCABN3H2JTDMLUEXAUEJVV22HTXVGLEZD/transactions?cursor=179530990183178241\u0026limit=1\u0026order=desc"
+  },
+  "next": {
+   "href": "https://horizon.stellar.org/accounts/GBFHFINUD6NVGSX33PY25DDRCABN3H2JTDMLUEXAUEJVV22HTXVGLEZD/transactions?cursor=179530990183174144\u0026limit=1\u0026order=desc"
+  },
+  "prev": {
+   "href": "https://horizon.stellar.org/accounts/GBFHFINUD6NVGSX33PY25DDRCABN3H2JTDMLUEXAUEJVV22HTXVGLEZD/transactions?cursor=179530990183174144\u0026limit=1\u0026order=asc"
+  }
+ },
+ "_embedded": {
+  "records": [
+   {
+    "_links": {
+     "self": {
+      "href": "https://horizon.stellar.org/transactions/55d8aa3693489ffc1d70b8ba33b8b5c012ec098f6f104383e3f090048488febd"
+     },
+     "account": {
+      "href": "https://horizon.stellar.org/accounts/GBFHFINUD6NVGSX33PY25DDRCABN3H2JTDMLUEXAUEJVV22HTXVGLEZD"
+     },
+     "ledger": {
+      "href": "https://horizon.stellar.org/ledgers/41800316"
+     },
+     "operations": {
+      "href": "https://horizon.stellar.org/transactions/55d8aa3693489ffc1d70b8ba33b8b5c012ec098f6f104383e3f090048488febd/operations{?cursor,limit,order}",
+      "templated": true
+     },
+     "effects": {
+      "href": "https://horizon.stellar.org/transactions/55d8aa3693489ffc1d70b8ba33b8b5c012ec098f6f104383e3f090048488febd/effects{?cursor,limit,order}",
+      "templated": true
+     },
+     "precedes": {
+      "href": "https://horizon.stellar.org/transactions?order=asc\u0026cursor=179530990183174144"
+     },
+     "succeeds": {
+      "href": "https://horizon.stellar.org/transactions?order=desc\u0026cursor=179530990183174144"
+     },
+     "transaction": {
+      "href": "https://horizon.stellar.org/transactions/55d8aa3693489ffc1d70b8ba33b8b5c012ec098f6f104383e3f090048488febd"
+     }
+    },
+    "id": "55d8aa3693489ffc1d70b8ba33b8b5c012ec098f6f104383e3f090048488febd",
+    "paging_token": "179530990183174144",
+    "successful": true,
+    "hash": "55d8aa3693489ffc1d70b8ba33b8b5c012ec098f6f104383e3f090048488febd",
+    "ledger": 41800316,
+    "created_at": "2022-07-17T13:08:41Z",
+    "source_account": "GBFHFINUD6NVGSX33PY25DDRCABN3H2JTDMLUEXAUEJVV22HTXVGLEZD",
+    "source_account_sequence": "172589382434294350",
+    "fee_account": "GBFHFINUD6NVGSX33PY25DDRCABN3H2JTDMLUEXAUEJVV22HTXVGLEZD",
+    "fee_charged": "100",
+    "max_fee": "100000",
+    "operation_count": 1,
+    "envelope_xdr": "AAAAAgAAAABKcqG0H5tTSvvb8a6McRAC3Z9JmNi6EuChE1rrR53qZQABhqACZSkhAAAKTgAAAAAAAAAAAAAAAQAAAAEAAAAASnKhtB+bU0r72/GujHEQAt2fSZjYuhLgoRNa60ed6mUAAAANAAAAAXlYTE0AAAAAIjbXcP4NPgFSGXXVz3rEhCtwldaxqddo0+mmMumZBr4AAAACVAvkAAAAAABKcqG0H5tTSvvb8a6McRAC3Z9JmNi6EuChE1rrR53qZQAAAAJEUklGVAAAAAAAAAAAAAAAvSOzPqUOGnDIcJOm7T85qDFRM0wfOVoubgkEPk95DZ0AAAEQvqAGdQAAAAEAAAAAAAAAAAAAAAFHneplAAAAQAVm9muIrK31Z+m2ZvhDYhtuoHcc/n+MO0DOaiQjfW+tsUNVCOw7foHiDRVLBdAHBZT+xxa3F+Ek9wQiKzxtQQM=",
+    "result_xdr": "AAAAAAAAAGQAAAAAAAAAAQAAAAAAAAANAAAAAAAAAAIAAAABAAAAAPaTW9sBV2ja6yDUtPcpGpUrnVEHaTHC4I065TklIsguAAAAAD1H0goAAAAAAAAAAlQE8wsAAAABeVhMTQAAAAAiNtdw/g0+AVIZddXPesSEK3CV1rGp12jT6aYy6ZkGvgAAAAJUC+QAAAAAAgRnzllf8Sas0MUQlkxROsBgUzEoIN2XrYP9tlH5SINjAAAAAkRSSUZUAAAAAAAAAAAAAAC9I7M+pQ4acMhwk6btPzmoMVEzTB85Wi5uCQQ+T3kNnQAAARN/56NFAAAAAAAAAAJUBPMLAAAAAEpyobQfm1NK+9vxroxxEALdn0mY2LoS4KETWutHneplAAAAAkRSSUZUAAAAAAAAAAAAAAC9I7M+pQ4acMhwk6btPzmoMVEzTB85Wi5uCQQ+T3kNnQAAARN/56NFAAAAAA==",
+    "result_meta_xdr": "AAAAAgAAAAIAAAADAn3SfAAAAAAAAAAASnKhtB+bU0r72/GujHEQAt2fSZjYuhLgoRNa60ed6mUAAAAAENitnwJlKSEAAApNAAAACgAAAAEAAAAAxHHGQ3BiyVBqiTQuU4oa2kBNL0HPHTolX0Mh98bg4XUAAAAAAAAACWxvYnN0ci5jbwAAAAEAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAwAAAAACfdJjAAAAAGLUCUkAAAAAAAAAAQJ90nwAAAAAAAAAAEpyobQfm1NK+9vxroxxEALdn0mY2LoS4KETWutHneplAAAAABDYrZ8CZSkhAAAKTgAAAAoAAAABAAAAAMRxxkNwYslQaok0LlOKGtpATS9Bzx06JV9DIffG4OF1AAAAAAAAAAlsb2JzdHIuY28AAAABAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAgAAAAAAAAAAAAAAAAAAAAMAAAAAAn3SfAAAAABi1AnZAAAAAAAAAAEAAAAMAAAAAwJ90nwAAAAAAAAAAPaTW9sBV2ja6yDUtPcpGpUrnVEHaTHC4I065TklIsguAAAAPP5dpSACFip8AC7CtgAAAAcAAAAAAAAAAAAAAAABAAAAAAAAAAAAAAEAAAAc2nqv7AAAADbUPYzLAAAAAgAAAAAAAAAAAAAAAAAAAAMAAAAAAn3SegAAAABi1AnNAAAAAAAAAAECfdJ8AAAAAAAAAAD2k1vbAVdo2usg1LT3KRqVK51RB2kxwuCNOuU5JSLILgAAADqqWLIVAhYqfAAuwrYAAAAHAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAABAAAAHNp6r+wAAAA0gDiZwAAAAAIAAAAAAAAAAAAAAAAAAAADAAAAAAJ90noAAAAAYtQJzQAAAAAAAAADAn3SUAAAAAUEZ85ZX/EmrNDFEJZMUTrAYFMxKCDdl62D/bZR+UiDYwAAAAAAAAAAAAAAAkRSSUZUAAAAAAAAAAAAAAC9I7M+pQ4acMhwk6btPzmoMVEzTB85Wi5uCQQ+T3kNnQAAAB4AAAIEaTMNuAAA8H8XoYXHAAAUwrrMCE0AAAAAAAAAaAAAAAAAAAABAn3SfAAAAAUEZ85ZX/EmrNDFEJZMUTrAYFMxKCDdl62D/bZR+UiDYwAAAAAAAAAAAAAAAkRSSUZUAAAAAAAAAAAAAAC9I7M+pQ4acMhwk6btPzmoMVEzTB85Wi5uCQQ+T3kNnQAAAB4AAAIGvTgAwwAA72uXueKCAAAUwrrMCE0AAAAAAAAAaAAAAAAAAAADAn3SYwAAAAEAAAAASnKhtB+bU0r72/GujHEQAt2fSZjYuhLgoRNa60ed6mUAAAACRFJJRlQAAAAAAAAAAAAAAL0jsz6lDhpwyHCTpu0/OagxUTNMHzlaLm4JBD5PeQ2dAAAAAAAAAAB//////////wAAAAEAAAAAAAAAAAAAAAECfdJ8AAAAAQAAAABKcqG0H5tTSvvb8a6McRAC3Z9JmNi6EuChE1rrR53qZQAAAAJEUklGVAAAAAAAAAAAAAAAvSOzPqUOGnDIcJOm7T85qDFRM0wfOVoubgkEPk95DZ0AAAETf+ejRX//////////AAAAAQAAAAAAAAAAAAAAAwJ90nwAAAABAAAAAPaTW9sBV2ja6yDUtPcpGpUrnVEHaTHC4I065TklIsguAAAAAXlYTE0AAAAAIjbXcP4NPgFSGXXVz3rEhCtwldaxqddo0+mmMumZBr4AAAAggUA/Y3//////////AAAAAQAAAAEAAAA21OED/gAAABzamxRcAAAAAAAAAAAAAAABAn3SfAAAAAEAAAAA9pNb2wFXaNrrINS09ykalSudUQdpMcLgjTrlOSUiyC4AAAABeVhMTQAAAAAiNtdw/g0+AVIZddXPesSEK3CV1rGp12jT6aYy6ZkGvgAAACLVTCNjf/////////8AAAABAAAAAQAAADSA1R//AAAAHNqbFFwAAAAAAAAAAAAAAAMCfdJ8AAAAAgAAAAD2k1vbAVdo2usg1LT3KRqVK51RB2kxwuCNOuU5JSLILgAAAAA9R9IKAAAAAAAAAAF5WExNAAAAACI213D+DT4BUhl11c96xIQrcJXWsanXaNPppjLpmQa+AAAANtQ9jMt7hXu5e4QLegAAAAAAAAAAAAAAAAAAAAECfdJ8AAAAAgAAAAD2k1vbAVdo2usg1LT3KRqVK51RB2kxwuCNOuU5JSLILgAAAAA9R9IKAAAAAAAAAAF5WExNAAAAACI213D+DT4BUhl11c96xIQrcJXWsanXaNPppjLpmQa+AAAANIA4mcB7hXu5e4QLegAAAAAAAAAAAAAAAAAAAAMCfcCZAAAAAQAAAABKcqG0H5tTSvvb8a6McRAC3Z9JmNi6EuChE1rrR53qZQAAAAF5WExNAAAAACI213D+DT4BUhl11c96xIQrcJXWsanXaNPppjLpmQa+AAAAEqEyDdl//////////wAAAAEAAAAAAAAAAAAAAAECfdJ8AAAAAQAAAABKcqG0H5tTSvvb8a6McRAC3Z9JmNi6EuChE1rrR53qZQAAAAF5WExNAAAAACI213D+DT4BUhl11c96xIQrcJXWsanXaNPppjLpmQa+AAAAEE0mKdl//////////wAAAAEAAAAAAAAAAAAAAAA=",
+    "fee_meta_xdr": "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",
+    "memo_type": "none",
+    "signatures": [
+     "BWb2a4isrfVn6bZm+ENiG26gdxz+f4w7QM5qJCN9b62xQ1UI7Dt+geINFUsF0AcFlP7HFrcX4ST3BCIrPG1BAw=="
+    ]
+   }
+  ]
+ }
+}

exp/lighthorizon/adapters/transaction_test.go

@@ -2,8 +2,9 @@ package adapters
 
 import (
 	"encoding/json"
-	"net/http"
 	"net/url"
+	"os"
+	"path/filepath"
 	"strconv"
 	"testing"
 
@@ -22,26 +23,18 @@ import (
 // transaction to JSON by actually pulling a transaction from the
 // known-to-be-true horizon.stellar.org, turning it into an "ingested"
 // transaction, and serializing it.
-//
-// TODO: Instead of making an unreliable network request, we should just create
-// a "known" transaction on-the-fly. We could just hard-code the fields from
-// Horizon, anyway.
 func TestTransactionAdapter(t *testing.T) {
-	const URL = "https://horizon.stellar.org/accounts/GBFHFINUD6NVGSX33PY25DDRCABN3H2JTDMLUEXAUEJVV22HTXVGLEZD/transactions?cursor=179530990183178241&limit=1&order=desc"
-
-	parsed, err := url.Parse(URL)
-	require.NoError(t, err)
-
-	resp, err := http.Get(URL)
-	require.NoError(t, err)
-	require.Equal(t, 200, resp.StatusCode)
+	f, err := os.Open(filepath.Join("./fixtures", "transactions.json"))
+	require.NoErrorf(t, err, "are fixtures missing?")
 
 	page := protocol.TransactionsPage{}
-	decoder := json.NewDecoder(resp.Body)
+	decoder := json.NewDecoder(f)
 	require.NoError(t, decoder.Decode(&page))
 	require.Len(t, page.Embedded.Records, 1)
 	expectedTx := page.Embedded.Records[0]
 
+	parsedUrl, err := url.Parse(page.Links.Self.Href)
+	require.NoError(t, err)
 	parsedToid, err := strconv.ParseInt(expectedTx.PagingToken(), 10, 64)
 	require.NoError(t, err)
 	expectedTxIndex := toid.Parse(parsedToid).TransactionOrder
@@ -79,7 +72,7 @@ func TestTransactionAdapter(t *testing.T) {
 		NetworkPassphrase: network.PublicNetworkPassphrase,
 	}
 
-	result, err := PopulateTransaction(parsed, &tx, xdr.NewEncodingBuffer())
+	result, err := PopulateTransaction(parsedUrl, &tx, xdr.NewEncodingBuffer())
 	require.NoError(t, err)
 	assert.Equal(t, expectedTx, result)
 }