Move bigNumberToBN to utils module

1 files changed, 13 insertions, 0 deletions

diff --git a/src/ts/utils/utils.ts b/src/ts/utils/utils.ts
new file mode 100644
index 000000000..bde1e7aba
--- /dev/null
+++ b/src/ts/utils/utils.ts
@@ -0,0 +1,13 @@
+import * as BN from 'bn.js';
+
+export const utils = {
+    /**
+     * Converts BigNumber instance to BN
+     * The only we convert to BN is to remain compatible with `ethABI. soliditySHA3 ` that
+     * expects values of Solidity type `uint` to be of type `BN`.
+     * We do not use BN anywhere else in the codebase.
+     */
+    bigNumberToBN(value: BigNumber.BigNumber) {
+        return new BN(value.toString(), 10);
+    },
+};