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Push Operations

Index 1 is top of the stack.

Notes

The new value is put on top of the stack, incrementing all the other value indices. The values for a specific opcode thus have to be pushed in reverse order of the stack. For example, with MSTORE, the first value pushed would have to be value, and then offset.

Stack output

  1. value: pushed value, aligned to the right (put in the lowest significant bytes).

Example

* *
Code 0x63FFFFFFFF6300000000
Text PUSH4 FFFFFFFF PUSH4 00000000
* Input Output
1 0x00000000
2 0xFFFFFFFF

Reproduce in playground.

Error cases

The state changes done by the current context are reverted in those cases:

  • Not enough gas.
  • Stack overflow.