fix owns_coins to properly paginate (#1449)

There was an issue with the e2e tests causing them to fail once wallet_b
had more than 100 coins due to improper pagination over coins.

This also updates the e2e tests targeting beta4 by using a docker image
sha generated from this branch:
#1448

Author: Voxelot

.github/workflows/e2e-test-beta4-dev.yml

@@ -17,4 +17,4 @@ jobs:
           envsubst < ${{ github.workspace }}/.github/workflows/e2e_config/beta-4.toml.template > ${{ github.workspace }}/.github/workflows/e2e_config/beta-4.toml
 
       - name: Run e2e tests with docker
-        run: docker run -v ${{ github.workspace }}/.github/workflows/e2e_config:/etc/e2e_config -e FUEL_CORE_E2E_CONFIG='/etc/e2e_config/beta-4.toml' ghcr.io/fuellabs/fuel-core-e2e-client:v0.20.7 ./fuel-core-e2e-client -- alice
+        run: docker run -v ${{ github.workspace }}/.github/workflows/e2e_config:/etc/e2e_config -e FUEL_CORE_E2E_CONFIG='/etc/e2e_config/beta-4.toml' ghcr.io/fuellabs/fuel-core-e2e-client:sha-ccba276 ./fuel-core-e2e-client -- alice

CHANGELOG.md

@@ -9,7 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 Description of the upcoming release here.
 
 ### Added
-
+- [#1449](https://github.com/FuelLabs/fuel-core/pull/1449): fix coin pagination in e2e test client
 - [#1447](https://github.com/FuelLabs/fuel-core/pull/1447): Add timeout for continuous e2e tests
 - [#1444](https://github.com/FuelLabs/fuel-core/pull/1444): Add "sanity" benchmarks for memory opcodes.
 - [#1437](https://github.com/FuelLabs/fuel-core/pull/1437): Add some transaction throughput tests for basic transfers.

bin/e2e-test-client/src/test_context.rs

@@ -107,26 +107,33 @@ impl Wallet {
     pub async fn owns_coin(&self, utxo_id: UtxoId) -> anyhow::Result<bool> {
         let mut first_page = true;
         let mut results = vec![];
+        let mut cursor = None;
 
         while first_page || !results.is_empty() {
             first_page = false;
-            results = self
+            let response = self
                 .client
                 .coins(
                     &self.address,
                     None,
                     PaginationRequest {
-                        cursor: None,
+                        cursor,
                         results: 100,
                         direction: PageDirection::Forward,
                     },
                 )
-                .await?
-                .results;
+                .await?;
+            results = response.results;
             // check if page has the utxos we're looking for
             if results.iter().any(|coin| coin.utxo_id == utxo_id) {
                 return Ok(true)
             }
+            // otherwise update the cursor to check the next page
+            if response.has_next_page {
+                cursor = response.cursor;
+            } else {
+                break
+            }
         }
 
         Ok(false)