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-rw-r--r--src/utils/assert.ts3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/utils/assert.ts b/src/utils/assert.ts
index d93ac71f7..94b119d5a 100644
--- a/src/utils/assert.ts
+++ b/src/utils/assert.ts
@@ -38,6 +38,9 @@ export const assert = {
const availableAddresses = await web3Wrapper.getAvailableAddressesAsync();
this.assert(!_.isEmpty(availableAddresses), 'No addresses were available on the provided web3 instance');
},
+ hasAtMostOneUniqueValue(value: any[], errMsg: string): void {
+ this.assert(_.uniq(value).length <= 1, errMsg);
+ },
isNumber(variableName: string, value: number): void {
this.assert(_.isFinite(value), this.typeAssertionMessage(variableName, 'number', value));
},