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authorLeonid Logvinov <logvinov.leon@gmail.com>2018-05-15 21:14:36 +0800
committerLeonid Logvinov <logvinov.leon@gmail.com>2018-05-23 06:20:34 +0800
commit1ff34bd0f4084d2f9dfd6f07447bb63684ac51ac (patch)
treee7f1870dab995b33c381924707a17acc1feaf3c8 /packages/subproviders/src/utils
parentb86248f13fcb8f326098252beee6ca557e0175e7 (diff)
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Remove web3Factory.create and remove dev-tools dependency on sol-cov
Diffstat (limited to 'packages/subproviders/src/utils')
-rw-r--r--packages/subproviders/src/utils/subprovider_utils.ts13
1 files changed, 13 insertions, 0 deletions
diff --git a/packages/subproviders/src/utils/subprovider_utils.ts b/packages/subproviders/src/utils/subprovider_utils.ts
new file mode 100644
index 000000000..380f98606
--- /dev/null
+++ b/packages/subproviders/src/utils/subprovider_utils.ts
@@ -0,0 +1,13 @@
+import ProviderEngine = require('web3-provider-engine');
+
+import { Subprovider } from '../subproviders/subprovider';
+
+/**
+ * Prepends a subprovider to a provider
+ * @param provider Given provider
+ * @param subprovider Subprovider to prepend
+ */
+export function prependSubprovider(provider: ProviderEngine, subprovider: Subprovider): void {
+ subprovider.setEngine(provider);
+ (provider as any)._providers = [subprovider, ...(provider as any)._providers];
+}