On-demand payment account obervability

[ethenotethan]

Telemetry should be provided which gives a rollup using V2 the ability to view their payment account's balance.

[ethenotethan]

one mechanism for which the balance can be determined is calling read methods on the PaymentVault contract

[samlaf]

one mechanism for which the balance can be determined is calling read methods on the PaymentVault contract

Indeed... good catch. Right now we are querying the eth balance of the accountID, which is totally unrelated to whether one can make payments on eigenda...